Home / 656,382,897.32-984,576,013.56-268,205,728.19

Finding the Fourth Proportional to 656,382,897.32, 984,576,013.56 and 268,205,728.19

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Solution

The fourth proportional to 656,382,897.32, 984,576,013.56 and 268,205,728.19 is: 402,309,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,382,897.32 : 984,576,013.56 = 268,205,728.19 : x
  2. Step 2: Convert to fraction form
    656,382,897.32/984,576,013.56 = 268,205,728.19/x
  3. Step 3: Cross multiply
    656,382,897.32x = 984,576,013.56 × 268,205,728.19
  4. Step 4: Simplify right side
    656,382,897.32x = 264,068,926,670,344,224
  5. Step 5: Solve for x
    x = 264,068,926,670,344,224/656,382,897.32
  6. Step 6: Final answer
    x = 402,309,273.67

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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.