Home / 852,165,549.90-1,277,118,333.81-437,625,624.78

Finding the Fourth Proportional to 852,165,549.90, 1,277,118,333.81 and 437,625,624.78

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Solution

The fourth proportional to 852,165,549.90, 1,277,118,333.81 and 437,625,624.78 is: 655,858,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,165,549.90 : 1,277,118,333.81 = 437,625,624.78 : x
  2. Step 2: Convert to fraction form
    852,165,549.90/1,277,118,333.81 = 437,625,624.78/x
  3. Step 3: Cross multiply
    852,165,549.90x = 1,277,118,333.81 × 437,625,624.78
  4. Step 4: Simplify right side
    852,165,549.90x = 558,899,708,751,593,792
  5. Step 5: Solve for x
    x = 558,899,708,751,593,792/852,165,549.90
  6. Step 6: Final answer
    x = 655,858,135.57

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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.