Home / 473,278,987.28-709,955,125.92-158,146,105.68

Finding the Fourth Proportional to 473,278,987.28, 709,955,125.92 and 158,146,105.68

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Solution

The fourth proportional to 473,278,987.28, 709,955,125.92 and 158,146,105.68 is: 237,231,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,278,987.28 : 709,955,125.92 = 158,146,105.68 : x
  2. Step 2: Convert to fraction form
    473,278,987.28/709,955,125.92 = 158,146,105.68/x
  3. Step 3: Cross multiply
    473,278,987.28x = 709,955,125.92 × 158,146,105.68
  4. Step 4: Simplify right side
    473,278,987.28x = 112,276,638,371,802,032
  5. Step 5: Solve for x
    x = 112,276,638,371,802,032/473,278,987.28
  6. Step 6: Final answer
    x = 237,231,403.44

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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.