Home / 531,565,233.60-797,347,850.40-326,428,132.80

Finding the Fourth Proportional to 531,565,233.60, 797,347,850.40 and 326,428,132.80

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Solution

The fourth proportional to 531,565,233.60, 797,347,850.40 and 326,428,132.80 is: 489,642,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,565,233.60 : 797,347,850.40 = 326,428,132.80 : x
  2. Step 2: Convert to fraction form
    531,565,233.60/797,347,850.40 = 326,428,132.80/x
  3. Step 3: Cross multiply
    531,565,233.60x = 797,347,850.40 × 326,428,132.80
  4. Step 4: Simplify right side
    531,565,233.60x = 260,276,769,998,165,728
  5. Step 5: Solve for x
    x = 260,276,769,998,165,728/531,565,233.60
  6. Step 6: Final answer
    x = 489,642,199.20

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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.