Home / 497,611,891.20-746,417,836.80-316,661,260.80

Finding the Fourth Proportional to 497,611,891.20, 746,417,836.80 and 316,661,260.80

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Solution

The fourth proportional to 497,611,891.20, 746,417,836.80 and 316,661,260.80 is: 474,991,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,611,891.20 : 746,417,836.80 = 316,661,260.80 : x
  2. Step 2: Convert to fraction form
    497,611,891.20/746,417,836.80 = 316,661,260.80/x
  3. Step 3: Cross multiply
    497,611,891.20x = 746,417,836.80 × 316,661,260.80
  4. Step 4: Simplify right side
    497,611,891.20x = 236,361,613,284,696,640
  5. Step 5: Solve for x
    x = 236,361,613,284,696,640/497,611,891.20
  6. Step 6: Final answer
    x = 474,991,891.20

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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.