Home / 541,433,011,191.90-812,149,516,787.85-290,384,534,319.90

Finding the Fourth Proportional to 541,433,011,191.90, 812,149,516,787.85 and 290,384,534,319.90

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Solution

The fourth proportional to 541,433,011,191.90, 812,149,516,787.85 and 290,384,534,319.90 is: 435,576,801,479.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,433,011,191.90 : 812,149,516,787.85 = 290,384,534,319.90 : x
  2. Step 2: Convert to fraction form
    541,433,011,191.90/812,149,516,787.85 = 290,384,534,319.90/x
  3. Step 3: Cross multiply
    541,433,011,191.90x = 812,149,516,787.85 × 290,384,534,319.90
  4. Step 4: Simplify right side
    541,433,011,191.90x = 235,835,659,230,571,644,583,936
  5. Step 5: Solve for x
    x = 235,835,659,230,571,644,583,936/541,433,011,191.90
  6. Step 6: Final answer
    x = 435,576,801,479.85

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Double scale
Find fourth proportional to 541,433,011,192.90, 812,149,516,789.35 and 290,384,534,320.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.