Home / 473,278,985.78-709,955,123.67-158,146,104.17

Finding the Fourth Proportional to 473,278,985.78, 709,955,123.67 and 158,146,104.17

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Solution

The fourth proportional to 473,278,985.78, 709,955,123.67 and 158,146,104.17 is: 237,231,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,278,985.78 : 709,955,123.67 = 158,146,104.17 : x
  2. Step 2: Convert to fraction form
    473,278,985.78/709,955,123.67 = 158,146,104.17/x
  3. Step 3: Cross multiply
    473,278,985.78x = 709,955,123.67 × 158,146,104.17
  4. Step 4: Simplify right side
    473,278,985.78x = 112,276,636,945,715,936
  5. Step 5: Solve for x
    x = 112,276,636,945,715,936/473,278,985.78
  6. Step 6: Final answer
    x = 237,231,401.18

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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.