Home / 411,800,918.52-617,700,856.15-105,093,038.28

Finding the Fourth Proportional to 411,800,918.52, 617,700,856.15 and 105,093,038.28

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Solution

The fourth proportional to 411,800,918.52, 617,700,856.15 and 105,093,038.28 is: 157,639,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,800,918.52 : 617,700,856.15 = 105,093,038.28 : x
  2. Step 2: Convert to fraction form
    411,800,918.52/617,700,856.15 = 105,093,038.28/x
  3. Step 3: Cross multiply
    411,800,918.52x = 617,700,856.15 × 105,093,038.28
  4. Step 4: Simplify right side
    411,800,918.52x = 64,916,059,722,816,792
  5. Step 5: Solve for x
    x = 64,916,059,722,816,792/411,800,918.52
  6. Step 6: Final answer
    x = 157,639,424.30

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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.