Home / 532,238,666.40-798,357,999.60-259,784,215.20

Finding the Fourth Proportional to 532,238,666.40, 798,357,999.60 and 259,784,215.20

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Solution

The fourth proportional to 532,238,666.40, 798,357,999.60 and 259,784,215.20 is: 389,676,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,238,666.40 : 798,357,999.60 = 259,784,215.20 : x
  2. Step 2: Convert to fraction form
    532,238,666.40/798,357,999.60 = 259,784,215.20/x
  3. Step 3: Cross multiply
    532,238,666.40x = 798,357,999.60 × 259,784,215.20
  4. Step 4: Simplify right side
    532,238,666.40x = 207,400,806,374,727,904
  5. Step 5: Solve for x
    x = 207,400,806,374,727,904/532,238,666.40
  6. Step 6: Final answer
    x = 389,676,322.80

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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.