Home / 932,026,246.40-1,398,543,254.40-386,822,892.80

Finding the Fourth Proportional to 932,026,246.40, 1,398,543,254.40 and 386,822,892.80

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Solution

The fourth proportional to 932,026,246.40, 1,398,543,254.40 and 386,822,892.80 is: 580,443,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,026,246.40 : 1,398,543,254.40 = 386,822,892.80 : x
  2. Step 2: Convert to fraction form
    932,026,246.40/1,398,543,254.40 = 386,822,892.80/x
  3. Step 3: Cross multiply
    932,026,246.40x = 1,398,543,254.40 × 386,822,892.80
  4. Step 4: Simplify right side
    932,026,246.40x = 540,988,547,372,934,400
  5. Step 5: Solve for x
    x = 540,988,547,372,934,400/932,026,246.40
  6. Step 6: Final answer
    x = 580,443,468.69

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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.