Home / 480,780,060.30-721,170,090.45-299,381,532.30

Finding the Fourth Proportional to 480,780,060.30, 721,170,090.45 and 299,381,532.30

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Solution

The fourth proportional to 480,780,060.30, 721,170,090.45 and 299,381,532.30 is: 449,072,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,780,060.30 : 721,170,090.45 = 299,381,532.30 : x
  2. Step 2: Convert to fraction form
    480,780,060.30/721,170,090.45 = 299,381,532.30/x
  3. Step 3: Cross multiply
    480,780,060.30x = 721,170,090.45 × 299,381,532.30
  4. Step 4: Simplify right side
    480,780,060.30x = 215,905,006,727,850,624
  5. Step 5: Solve for x
    x = 215,905,006,727,850,624/480,780,060.30
  6. Step 6: Final answer
    x = 449,072,298.45

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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.