Home / 247,527,266,287.17-371,290,436,019.17-77,559,867,121.31

Finding the Fourth Proportional to 247,527,266,287.17, 371,290,436,019.17 and 77,559,867,121.31

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Solution

The fourth proportional to 247,527,266,287.17, 371,290,436,019.17 and 77,559,867,121.31 is: 116,339,655,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,527,266,287.17 : 371,290,436,019.17 = 77,559,867,121.31 : x
  2. Step 2: Convert to fraction form
    247,527,266,287.17/371,290,436,019.17 = 77,559,867,121.31/x
  3. Step 3: Cross multiply
    247,527,266,287.17x = 371,290,436,019.17 × 77,559,867,121.31
  4. Step 4: Simplify right side
    247,527,266,287.17x = 28,797,236,881,060,077,240,320
  5. Step 5: Solve for x
    x = 28,797,236,881,060,077,240,320/247,527,266,287.17
  6. Step 6: Final answer
    x = 116,339,655,477.19

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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.