Home / 345,303,670.20-517,955,505.30-300,961,807.80

Finding the Fourth Proportional to 345,303,670.20, 517,955,505.30 and 300,961,807.80

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Solution

The fourth proportional to 345,303,670.20, 517,955,505.30 and 300,961,807.80 is: 451,442,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,303,670.20 : 517,955,505.30 = 300,961,807.80 : x
  2. Step 2: Convert to fraction form
    345,303,670.20/517,955,505.30 = 300,961,807.80/x
  3. Step 3: Cross multiply
    345,303,670.20x = 517,955,505.30 × 300,961,807.80
  4. Step 4: Simplify right side
    345,303,670.20x = 155,884,825,235,050,496
  5. Step 5: Solve for x
    x = 155,884,825,235,050,496/345,303,670.20
  6. Step 6: Final answer
    x = 451,442,711.70

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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.