Home / 782,326,546.83-1,173,671,331.44-257,676,821.10

Finding the Fourth Proportional to 782,326,546.83, 1,173,671,331.44 and 257,676,821.10

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Solution

The fourth proportional to 782,326,546.83, 1,173,671,331.44 and 257,676,821.10 is: 386,575,016.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,326,546.83 : 1,173,671,331.44 = 257,676,821.10 : x
  2. Step 2: Convert to fraction form
    782,326,546.83/1,173,671,331.44 = 257,676,821.10/x
  3. Step 3: Cross multiply
    782,326,546.83x = 1,173,671,331.44 × 257,676,821.10
  4. Step 4: Simplify right side
    782,326,546.83x = 302,427,897,700,375,296
  5. Step 5: Solve for x
    x = 302,427,897,700,375,296/782,326,546.83
  6. Step 6: Final answer
    x = 386,575,016.44

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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.