Home / 397,029,808.10-595,544,712.15-120,680,488.10

Finding the Fourth Proportional to 397,029,808.10, 595,544,712.15 and 120,680,488.10

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Solution

The fourth proportional to 397,029,808.10, 595,544,712.15 and 120,680,488.10 is: 181,020,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,029,808.10 : 595,544,712.15 = 120,680,488.10 : x
  2. Step 2: Convert to fraction form
    397,029,808.10/595,544,712.15 = 120,680,488.10/x
  3. Step 3: Cross multiply
    397,029,808.10x = 595,544,712.15 × 120,680,488.10
  4. Step 4: Simplify right side
    397,029,808.10x = 71,870,626,547,635,992
  5. Step 5: Solve for x
    x = 71,870,626,547,635,992/397,029,808.10
  6. Step 6: Final answer
    x = 181,020,732.15

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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.