Home / 721,728,666.05-1,083,048,423.69-307,204,821.35

Finding the Fourth Proportional to 721,728,666.05, 1,083,048,423.69 and 307,204,821.35

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Solution

The fourth proportional to 721,728,666.05, 1,083,048,423.69 and 307,204,821.35 is: 461,001,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,728,666.05 : 1,083,048,423.69 = 307,204,821.35 : x
  2. Step 2: Convert to fraction form
    721,728,666.05/1,083,048,423.69 = 307,204,821.35/x
  3. Step 3: Cross multiply
    721,728,666.05x = 1,083,048,423.69 × 307,204,821.35
  4. Step 4: Simplify right side
    721,728,666.05x = 332,717,697,511,731,776
  5. Step 5: Solve for x
    x = 332,717,697,511,731,776/721,728,666.05
  6. Step 6: Final answer
    x = 461,001,084.15

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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.