Home / 453,015,147.60-679,018,836.60-248,689,861.20

Finding the Fourth Proportional to 453,015,147.60, 679,018,836.60 and 248,689,861.20

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Solution

The fourth proportional to 453,015,147.60, 679,018,836.60 and 248,689,861.20 is: 372,758,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,015,147.60 : 679,018,836.60 = 248,689,861.20 : x
  2. Step 2: Convert to fraction form
    453,015,147.60/679,018,836.60 = 248,689,861.20/x
  3. Step 3: Cross multiply
    453,015,147.60x = 679,018,836.60 × 248,689,861.20
  4. Step 4: Simplify right side
    453,015,147.60x = 168,865,100,226,239,488
  5. Step 5: Solve for x
    x = 168,865,100,226,239,488/453,015,147.60
  6. Step 6: Final answer
    x = 372,758,176.24

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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.