Home / 442,679,124.69-610,951,053.23-257,040,134.91

Finding the Fourth Proportional to 442,679,124.69, 610,951,053.23 and 257,040,134.91

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Solution

The fourth proportional to 442,679,124.69, 610,951,053.23 and 257,040,134.91 is: 354,746,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,679,124.69 : 610,951,053.23 = 257,040,134.91 : x
  2. Step 2: Convert to fraction form
    442,679,124.69/610,951,053.23 = 257,040,134.91/x
  3. Step 3: Cross multiply
    442,679,124.69x = 610,951,053.23 × 257,040,134.91
  4. Step 4: Simplify right side
    442,679,124.69x = 157,038,941,144,360,608
  5. Step 5: Solve for x
    x = 157,038,941,144,360,608/442,679,124.69
  6. Step 6: Final answer
    x = 354,746,660.47

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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.