Home / 482,990,654.69-724,601,570.40-155,496,781.45

Finding the Fourth Proportional to 482,990,654.69, 724,601,570.40 and 155,496,781.45

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Solution

The fourth proportional to 482,990,654.69, 724,601,570.40 and 155,496,781.45 is: 233,282,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,990,654.69 : 724,601,570.40 = 155,496,781.45 : x
  2. Step 2: Convert to fraction form
    482,990,654.69/724,601,570.40 = 155,496,781.45/x
  3. Step 3: Cross multiply
    482,990,654.69x = 724,601,570.40 × 155,496,781.45
  4. Step 4: Simplify right side
    482,990,654.69x = 112,673,212,031,721,328
  5. Step 5: Solve for x
    x = 112,673,212,031,721,328/482,990,654.69
  6. Step 6: Final answer
    x = 233,282,385.36

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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.