Home / 497,617,147.20-746,425,720.80-316,666,516.80

Finding the Fourth Proportional to 497,617,147.20, 746,425,720.80 and 316,666,516.80

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Solution

The fourth proportional to 497,617,147.20, 746,425,720.80 and 316,666,516.80 is: 474,999,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,617,147.20 : 746,425,720.80 = 316,666,516.80 : x
  2. Step 2: Convert to fraction form
    497,617,147.20/746,425,720.80 = 316,666,516.80/x
  3. Step 3: Cross multiply
    497,617,147.20x = 746,425,720.80 × 316,666,516.80
  4. Step 4: Simplify right side
    497,617,147.20x = 236,368,033,055,665,312
  5. Step 5: Solve for x
    x = 236,368,033,055,665,312/497,617,147.20
  6. Step 6: Final answer
    x = 474,999,775.20

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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.