Home / 656,382,901.07-984,576,019.19-268,205,731.94

Finding the Fourth Proportional to 656,382,901.07, 984,576,019.19 and 268,205,731.94

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Solution

The fourth proportional to 656,382,901.07, 984,576,019.19 and 268,205,731.94 is: 402,309,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,382,901.07 : 984,576,019.19 = 268,205,731.94 : x
  2. Step 2: Convert to fraction form
    656,382,901.07/984,576,019.19 = 268,205,731.94/x
  3. Step 3: Cross multiply
    656,382,901.07x = 984,576,019.19 × 268,205,731.94
  4. Step 4: Simplify right side
    656,382,901.07x = 264,068,931,871,161,504
  5. Step 5: Solve for x
    x = 264,068,931,871,161,504/656,382,901.07
  6. Step 6: Final answer
    x = 402,309,279.30

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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.