Home / 1,648,100,801.70-2,472,151,202.55-1,521,830,420.10

Finding the Fourth Proportional to 1,648,100,801.70, 2,472,151,202.55 and 1,521,830,420.10

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Solution

The fourth proportional to 1,648,100,801.70, 2,472,151,202.55 and 1,521,830,420.10 is: 2,282,745,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,100,801.70 : 2,472,151,202.55 = 1,521,830,420.10 : x
  2. Step 2: Convert to fraction form
    1,648,100,801.70/2,472,151,202.55 = 1,521,830,420.10/x
  3. Step 3: Cross multiply
    1,648,100,801.70x = 2,472,151,202.55 × 1,521,830,420.10
  4. Step 4: Simplify right side
    1,648,100,801.70x = 3,762,194,903,127,386,624
  5. Step 5: Solve for x
    x = 3,762,194,903,127,386,624/1,648,100,801.70
  6. Step 6: Final answer
    x = 2,282,745,630.15

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Double scale
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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.