Home / 531,515,999.20-797,273,998.80-527,932,818.40

Finding the Fourth Proportional to 531,515,999.20, 797,273,998.80 and 527,932,818.40

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Solution

The fourth proportional to 531,515,999.20, 797,273,998.80 and 527,932,818.40 is: 791,899,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,515,999.20 : 797,273,998.80 = 527,932,818.40 : x
  2. Step 2: Convert to fraction form
    531,515,999.20/797,273,998.80 = 527,932,818.40/x
  3. Step 3: Cross multiply
    531,515,999.20x = 797,273,998.80 × 527,932,818.40
  4. Step 4: Simplify right side
    531,515,999.20x = 420,907,109,223,522,176
  5. Step 5: Solve for x
    x = 420,907,109,223,522,176/531,515,999.20
  6. Step 6: Final answer
    x = 791,899,227.60

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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.