Home / 500,582,574.17-690,740,458.08-274,462,052.19

Finding the Fourth Proportional to 500,582,574.17, 690,740,458.08 and 274,462,052.19

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Solution

The fourth proportional to 500,582,574.17, 690,740,458.08 and 274,462,052.19 is: 378,722,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,582,574.17 : 690,740,458.08 = 274,462,052.19 : x
  2. Step 2: Convert to fraction form
    500,582,574.17/690,740,458.08 = 274,462,052.19/x
  3. Step 3: Cross multiply
    500,582,574.17x = 690,740,458.08 × 274,462,052.19
  4. Step 4: Simplify right side
    500,582,574.17x = 189,582,043,651,677,920
  5. Step 5: Solve for x
    x = 189,582,043,651,677,920/500,582,574.17
  6. Step 6: Final answer
    x = 378,722,819.04

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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.