Home / 485,532,030.30-728,298,045.45-441,316,139.10

Finding the Fourth Proportional to 485,532,030.30, 728,298,045.45 and 441,316,139.10

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Solution

The fourth proportional to 485,532,030.30, 728,298,045.45 and 441,316,139.10 is: 661,974,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,532,030.30 : 728,298,045.45 = 441,316,139.10 : x
  2. Step 2: Convert to fraction form
    485,532,030.30/728,298,045.45 = 441,316,139.10/x
  3. Step 3: Cross multiply
    485,532,030.30x = 728,298,045.45 × 441,316,139.10
  4. Step 4: Simplify right side
    485,532,030.30x = 321,409,681,532,070,336
  5. Step 5: Solve for x
    x = 321,409,681,532,070,336/485,532,030.30
  6. Step 6: Final answer
    x = 661,974,208.65

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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.