Home / 663,550,451.64-915,700,197.42-370,195,080.12

Finding the Fourth Proportional to 663,550,451.64, 915,700,197.42 and 370,195,080.12

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Solution

The fourth proportional to 663,550,451.64, 915,700,197.42 and 370,195,080.12 is: 510,869,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,550,451.64 : 915,700,197.42 = 370,195,080.12 : x
  2. Step 2: Convert to fraction form
    663,550,451.64/915,700,197.42 = 370,195,080.12/x
  3. Step 3: Cross multiply
    663,550,451.64x = 915,700,197.42 × 370,195,080.12
  4. Step 4: Simplify right side
    663,550,451.64x = 338,987,707,949,796,736
  5. Step 5: Solve for x
    x = 338,987,707,949,796,736/663,550,451.64
  6. Step 6: Final answer
    x = 510,869,530.89

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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.