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Finding the Fourth Proportional to 604,641,908.10, 906,962,862.15 and 259,536,807.30

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Solution

The fourth proportional to 604,641,908.10, 906,962,862.15 and 259,536,807.30 is: 389,305,210.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,641,908.10 : 906,962,862.15 = 259,536,807.30 : x
  2. Step 2: Convert to fraction form
    604,641,908.10/906,962,862.15 = 259,536,807.30/x
  3. Step 3: Cross multiply
    604,641,908.10x = 906,962,862.15 × 259,536,807.30
  4. Step 4: Simplify right side
    604,641,908.10x = 235,390,245,582,081,024
  5. Step 5: Solve for x
    x = 235,390,245,582,081,024/604,641,908.10
  6. Step 6: Final answer
    x = 389,305,210.95

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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.