Home / 699,299,510.40-1,049,327,179.20-311,182,243.20

Finding the Fourth Proportional to 699,299,510.40, 1,049,327,179.20 and 311,182,243.20

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Solution

The fourth proportional to 699,299,510.40, 1,049,327,179.20 and 311,182,243.20 is: 466,941,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,299,510.40 : 1,049,327,179.20 = 311,182,243.20 : x
  2. Step 2: Convert to fraction form
    699,299,510.40/1,049,327,179.20 = 311,182,243.20/x
  3. Step 3: Cross multiply
    699,299,510.40x = 1,049,327,179.20 × 311,182,243.20
  4. Step 4: Simplify right side
    699,299,510.40x = 326,531,985,474,184,384
  5. Step 5: Solve for x
    x = 326,531,985,474,184,384/699,299,510.40
  6. Step 6: Final answer
    x = 466,941,533.09

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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.