Home / 501,916,763.70-752,875,145.55-156,869,837.10

Finding the Fourth Proportional to 501,916,763.70, 752,875,145.55 and 156,869,837.10

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Solution

The fourth proportional to 501,916,763.70, 752,875,145.55 and 156,869,837.10 is: 235,304,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,916,763.70 : 752,875,145.55 = 156,869,837.10 : x
  2. Step 2: Convert to fraction form
    501,916,763.70/752,875,145.55 = 156,869,837.10/x
  3. Step 3: Cross multiply
    501,916,763.70x = 752,875,145.55 × 156,869,837.10
  4. Step 4: Simplify right side
    501,916,763.70x = 118,103,401,439,067,280
  5. Step 5: Solve for x
    x = 118,103,401,439,067,280/501,916,763.70
  6. Step 6: Final answer
    x = 235,304,755.65

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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.