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Finding the Fourth Proportional to 617,465,441.84, 926,001,520.68 and 202,846,021.20

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Solution

The fourth proportional to 617,465,441.84, 926,001,520.68 and 202,846,021.20 is: 304,204,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,465,441.84 : 926,001,520.68 = 202,846,021.20 : x
  2. Step 2: Convert to fraction form
    617,465,441.84/926,001,520.68 = 202,846,021.20/x
  3. Step 3: Cross multiply
    617,465,441.84x = 926,001,520.68 × 202,846,021.20
  4. Step 4: Simplify right side
    617,465,441.84x = 187,835,724,095,087,488
  5. Step 5: Solve for x
    x = 187,835,724,095,087,488/617,465,441.84
  6. Step 6: Final answer
    x = 304,204,432.13

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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.