Home / 531,565,234.10-797,347,851.15-326,428,133.30

Finding the Fourth Proportional to 531,565,234.10, 797,347,851.15 and 326,428,133.30

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Solution

The fourth proportional to 531,565,234.10, 797,347,851.15 and 326,428,133.30 is: 489,642,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,565,234.10 : 797,347,851.15 = 326,428,133.30 : x
  2. Step 2: Convert to fraction form
    531,565,234.10/797,347,851.15 = 326,428,133.30/x
  3. Step 3: Cross multiply
    531,565,234.10x = 797,347,851.15 × 326,428,133.30
  4. Step 4: Simplify right side
    531,565,234.10x = 260,276,770,641,660,768
  5. Step 5: Solve for x
    x = 260,276,770,641,660,768/531,565,234.10
  6. Step 6: Final answer
    x = 489,642,199.95

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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.