Home / 684,288,045.90-1,026,432,068.85-199,613,853.90

Finding the Fourth Proportional to 684,288,045.90, 1,026,432,068.85 and 199,613,853.90

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Solution

The fourth proportional to 684,288,045.90, 1,026,432,068.85 and 199,613,853.90 is: 299,420,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,288,045.90 : 1,026,432,068.85 = 199,613,853.90 : x
  2. Step 2: Convert to fraction form
    684,288,045.90/1,026,432,068.85 = 199,613,853.90/x
  3. Step 3: Cross multiply
    684,288,045.90x = 1,026,432,068.85 × 199,613,853.90
  4. Step 4: Simplify right side
    684,288,045.90x = 204,890,061,029,698,656
  5. Step 5: Solve for x
    x = 204,890,061,029,698,656/684,288,045.90
  6. Step 6: Final answer
    x = 299,420,780.85

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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.