Home / 1,438,896,141.60-2,154,944,292.48-702,470,372.64

Finding the Fourth Proportional to 1,438,896,141.60, 2,154,944,292.48 and 702,470,372.64

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Solution

The fourth proportional to 1,438,896,141.60, 2,154,944,292.48 and 702,470,372.64 is: 1,052,045,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,896,141.60 : 2,154,944,292.48 = 702,470,372.64 : x
  2. Step 2: Convert to fraction form
    1,438,896,141.60/2,154,944,292.48 = 702,470,372.64/x
  3. Step 3: Cross multiply
    1,438,896,141.60x = 2,154,944,292.48 × 702,470,372.64
  4. Step 4: Simplify right side
    1,438,896,141.60x = 1,513,784,520,156,866,816
  5. Step 5: Solve for x
    x = 1,513,784,520,156,866,816/1,438,896,141.60
  6. Step 6: Final answer
    x = 1,052,045,715.04

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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.