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Finding the Fourth Proportional to 610,418,215.20, 915,627,322.80 and 586,609,658.40

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Solution

The fourth proportional to 610,418,215.20, 915,627,322.80 and 586,609,658.40 is: 879,914,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,418,215.20 : 915,627,322.80 = 586,609,658.40 : x
  2. Step 2: Convert to fraction form
    610,418,215.20/915,627,322.80 = 586,609,658.40/x
  3. Step 3: Cross multiply
    610,418,215.20x = 915,627,322.80 × 586,609,658.40
  4. Step 4: Simplify right side
    610,418,215.20x = 537,115,831,049,414,464
  5. Step 5: Solve for x
    x = 537,115,831,049,414,464/610,418,215.20
  6. Step 6: Final answer
    x = 879,914,487.60

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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.