Home / 471,763,869.28-707,645,803.68-144,239,382.81

Finding the Fourth Proportional to 471,763,869.28, 707,645,803.68 and 144,239,382.81

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Solution

The fourth proportional to 471,763,869.28, 707,645,803.68 and 144,239,382.81 is: 216,359,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,763,869.28 : 707,645,803.68 = 144,239,382.81 : x
  2. Step 2: Convert to fraction form
    471,763,869.28/707,645,803.68 = 144,239,382.81/x
  3. Step 3: Cross multiply
    471,763,869.28x = 707,645,803.68 × 144,239,382.81
  4. Step 4: Simplify right side
    471,763,869.28x = 102,070,393,970,889,616
  5. Step 5: Solve for x
    x = 102,070,393,970,889,616/471,763,869.28
  6. Step 6: Final answer
    x = 216,359,074.14

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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.