Home / 1,120,195,590.10-1,679,789,500.35-429,873,414.10

Finding the Fourth Proportional to 1,120,195,590.10, 1,679,789,500.35 and 429,873,414.10

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Solution

The fourth proportional to 1,120,195,590.10, 1,679,789,500.35 and 429,873,414.10 is: 644,616,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,195,590.10 : 1,679,789,500.35 = 429,873,414.10 : x
  2. Step 2: Convert to fraction form
    1,120,195,590.10/1,679,789,500.35 = 429,873,414.10/x
  3. Step 3: Cross multiply
    1,120,195,590.10x = 1,679,789,500.35 × 429,873,414.10
  4. Step 4: Simplify right side
    1,120,195,590.10x = 722,096,847,484,787,584
  5. Step 5: Solve for x
    x = 722,096,847,484,787,584/1,120,195,590.10
  6. Step 6: Final answer
    x = 644,616,756.10

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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.