Home / 864,046,561.96-1,192,387,394.10-467,569,508.68

Finding the Fourth Proportional to 864,046,561.96, 1,192,387,394.10 and 467,569,508.68

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Solution

The fourth proportional to 864,046,561.96, 1,192,387,394.10 and 467,569,508.68 is: 645,247,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,046,561.96 : 1,192,387,394.10 = 467,569,508.68 : x
  2. Step 2: Convert to fraction form
    864,046,561.96/1,192,387,394.10 = 467,569,508.68/x
  3. Step 3: Cross multiply
    864,046,561.96x = 1,192,387,394.10 × 467,569,508.68
  4. Step 4: Simplify right side
    864,046,561.96x = 557,523,988,015,562,496
  5. Step 5: Solve for x
    x = 557,523,988,015,562,496/864,046,561.96
  6. Step 6: Final answer
    x = 645,247,620.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.