Home / 1,246,799,897.92-1,870,490,892.80-361,503,775.36

Finding the Fourth Proportional to 1,246,799,897.92, 1,870,490,892.80 and 361,503,775.36

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Solution

The fourth proportional to 1,246,799,897.92, 1,870,490,892.80 and 361,503,775.36 is: 542,340,050.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,799,897.92 : 1,870,490,892.80 = 361,503,775.36 : x
  2. Step 2: Convert to fraction form
    1,246,799,897.92/1,870,490,892.80 = 361,503,775.36/x
  3. Step 3: Cross multiply
    1,246,799,897.92x = 1,870,490,892.80 × 361,503,775.36
  4. Step 4: Simplify right side
    1,246,799,897.92x = 676,189,519,523,697,024
  5. Step 5: Solve for x
    x = 676,189,519,523,697,024/1,246,799,897.92
  6. Step 6: Final answer
    x = 542,340,050.44

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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.