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Finding the Fourth Proportional to 608,266,078.20, 910,607,526.90 and 572,832,401.40

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Solution

The fourth proportional to 608,266,078.20, 910,607,526.90 and 572,832,401.40 is: 857,561,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,266,078.20 : 910,607,526.90 = 572,832,401.40 : x
  2. Step 2: Convert to fraction form
    608,266,078.20/910,607,526.90 = 572,832,401.40/x
  3. Step 3: Cross multiply
    608,266,078.20x = 910,607,526.90 × 572,832,401.40
  4. Step 4: Simplify right side
    608,266,078.20x = 521,625,496,367,042,048
  5. Step 5: Solve for x
    x = 521,625,496,367,042,048/608,266,078.20
  6. Step 6: Final answer
    x = 857,561,378.26

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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.