Home / 681,621,024.65-940,679,167.66-376,092,562.46

Finding the Fourth Proportional to 681,621,024.65, 940,679,167.66 and 376,092,562.46

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Solution

The fourth proportional to 681,621,024.65, 940,679,167.66 and 376,092,562.46 is: 519,030,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,621,024.65 : 940,679,167.66 = 376,092,562.46 : x
  2. Step 2: Convert to fraction form
    681,621,024.65/940,679,167.66 = 376,092,562.46/x
  3. Step 3: Cross multiply
    681,621,024.65x = 940,679,167.66 × 376,092,562.46
  4. Step 4: Simplify right side
    681,621,024.65x = 353,782,438,612,345,728
  5. Step 5: Solve for x
    x = 353,782,438,612,345,728/681,621,024.65
  6. Step 6: Final answer
    x = 519,030,994.97

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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.