Home / 639,576,000.60-959,364,000.90-536,263,870.20

Finding the Fourth Proportional to 639,576,000.60, 959,364,000.90 and 536,263,870.20

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Solution

The fourth proportional to 639,576,000.60, 959,364,000.90 and 536,263,870.20 is: 804,395,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,576,000.60 : 959,364,000.90 = 536,263,870.20 : x
  2. Step 2: Convert to fraction form
    639,576,000.60/959,364,000.90 = 536,263,870.20/x
  3. Step 3: Cross multiply
    639,576,000.60x = 959,364,000.90 × 536,263,870.20
  4. Step 4: Simplify right side
    639,576,000.60x = 514,472,252,053,190,272
  5. Step 5: Solve for x
    x = 514,472,252,053,190,272/639,576,000.60
  6. Step 6: Final answer
    x = 804,395,805.30

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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.