Home / 1,029,129,045.66-1,420,197,002.55-559,229,248.74

Finding the Fourth Proportional to 1,029,129,045.66, 1,420,197,002.55 and 559,229,248.74

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Solution

The fourth proportional to 1,029,129,045.66, 1,420,197,002.55 and 559,229,248.74 is: 771,735,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,129,045.66 : 1,420,197,002.55 = 559,229,248.74 : x
  2. Step 2: Convert to fraction form
    1,029,129,045.66/1,420,197,002.55 = 559,229,248.74/x
  3. Step 3: Cross multiply
    1,029,129,045.66x = 1,420,197,002.55 × 559,229,248.74
  4. Step 4: Simplify right side
    1,029,129,045.66x = 794,215,702,798,836,352
  5. Step 5: Solve for x
    x = 794,215,702,798,836,352/1,029,129,045.66
  6. Step 6: Final answer
    x = 771,735,776.14

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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.