Home / 482,990,657.70-724,601,574.90-155,496,784.46

Finding the Fourth Proportional to 482,990,657.70, 724,601,574.90 and 155,496,784.46

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Solution

The fourth proportional to 482,990,657.70, 724,601,574.90 and 155,496,784.46 is: 233,282,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,990,657.70 : 724,601,574.90 = 155,496,784.46 : x
  2. Step 2: Convert to fraction form
    482,990,657.70/724,601,574.90 = 155,496,784.46/x
  3. Step 3: Cross multiply
    482,990,657.70x = 724,601,574.90 × 155,496,784.46
  4. Step 4: Simplify right side
    482,990,657.70x = 112,673,214,913,413,344
  5. Step 5: Solve for x
    x = 112,673,214,913,413,344/482,990,657.70
  6. Step 6: Final answer
    x = 233,282,389.87

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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.