Home / 1,248,815,222.28-1,872,496,752.12-472,520,753.28

Finding the Fourth Proportional to 1,248,815,222.28, 1,872,496,752.12 and 472,520,753.28

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Solution

The fourth proportional to 1,248,815,222.28, 1,872,496,752.12 and 472,520,753.28 is: 708,506,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,815,222.28 : 1,872,496,752.12 = 472,520,753.28 : x
  2. Step 2: Convert to fraction form
    1,248,815,222.28/1,872,496,752.12 = 472,520,753.28/x
  3. Step 3: Cross multiply
    1,248,815,222.28x = 1,872,496,752.12 × 472,520,753.28
  4. Step 4: Simplify right side
    1,248,815,222.28x = 884,793,575,826,095,744
  5. Step 5: Solve for x
    x = 884,793,575,826,095,744/1,248,815,222.28
  6. Step 6: Final answer
    x = 708,506,398.74

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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.