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Finding the Fourth Proportional to 425,287,908, 586,897,548.48 and 229,717,620

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Solution

The fourth proportional to 425,287,908, 586,897,548.48 and 229,717,620 is: 317,010,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,287,908 : 586,897,548.48 = 229,717,620 : x
  2. Step 2: Convert to fraction form
    425,287,908/586,897,548.48 = 229,717,620/x
  3. Step 3: Cross multiply
    425,287,908x = 586,897,548.48 × 229,717,620
  4. Step 4: Simplify right side
    425,287,908x = 134,820,708,020,660,224
  5. Step 5: Solve for x
    x = 134,820,708,020,660,224/425,287,908
  6. Step 6: Final answer
    x = 317,010,442.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.