Home / 358,561,572.30-494,815,994.61-207,883,510.72

Finding the Fourth Proportional to 358,561,572.30, 494,815,994.61 and 207,883,510.72

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Solution

The fourth proportional to 358,561,572.30, 494,815,994.61 and 207,883,510.72 is: 286,879,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,561,572.30 : 494,815,994.61 = 207,883,510.72 : x
  2. Step 2: Convert to fraction form
    358,561,572.30/494,815,994.61 = 207,883,510.72/x
  3. Step 3: Cross multiply
    358,561,572.30x = 494,815,994.61 × 207,883,510.72
  4. Step 4: Simplify right side
    358,561,572.30x = 102,864,086,119,935,392
  5. Step 5: Solve for x
    x = 102,864,086,119,935,392/358,561,572.30
  6. Step 6: Final answer
    x = 286,879,838.96

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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.