Home / 497,617,148.20-746,425,722.30-316,666,517.80

Finding the Fourth Proportional to 497,617,148.20, 746,425,722.30 and 316,666,517.80

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Solution

The fourth proportional to 497,617,148.20, 746,425,722.30 and 316,666,517.80 is: 474,999,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,617,148.20 : 746,425,722.30 = 316,666,517.80 : x
  2. Step 2: Convert to fraction form
    497,617,148.20/746,425,722.30 = 316,666,517.80/x
  3. Step 3: Cross multiply
    497,617,148.20x = 746,425,722.30 × 316,666,517.80
  4. Step 4: Simplify right side
    497,617,148.20x = 236,368,034,277,090,816
  5. Step 5: Solve for x
    x = 236,368,034,277,090,816/497,617,148.20
  6. Step 6: Final answer
    x = 474,999,776.70

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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.