Home / 328,875,854.34-493,152,356.18-162,687,345.96

Finding the Fourth Proportional to 328,875,854.34, 493,152,356.18 and 162,687,345.96

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Solution

The fourth proportional to 328,875,854.34, 493,152,356.18 and 162,687,345.96 is: 243,951,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,875,854.34 : 493,152,356.18 = 162,687,345.96 : x
  2. Step 2: Convert to fraction form
    328,875,854.34/493,152,356.18 = 162,687,345.96/x
  3. Step 3: Cross multiply
    328,875,854.34x = 493,152,356.18 × 162,687,345.96
  4. Step 4: Simplify right side
    328,875,854.34x = 80,229,647,980,844,816
  5. Step 5: Solve for x
    x = 80,229,647,980,844,816/328,875,854.34
  6. Step 6: Final answer
    x = 243,951,165.53

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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.