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Finding the Fourth Proportional to 610,418,261.70, 915,627,392.55 and 586,609,704.90

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Solution

The fourth proportional to 610,418,261.70, 915,627,392.55 and 586,609,704.90 is: 879,914,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,418,261.70 : 915,627,392.55 = 586,609,704.90 : x
  2. Step 2: Convert to fraction form
    610,418,261.70/915,627,392.55 = 586,609,704.90/x
  3. Step 3: Cross multiply
    610,418,261.70x = 915,627,392.55 × 586,609,704.90
  4. Step 4: Simplify right side
    610,418,261.70x = 537,115,914,542,111,936
  5. Step 5: Solve for x
    x = 537,115,914,542,111,936/610,418,261.70
  6. Step 6: Final answer
    x = 879,914,557.35

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1.5x scale

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.