Home / 645,969,931.20-968,954,896.80-600,053,428.80

Finding the Fourth Proportional to 645,969,931.20, 968,954,896.80 and 600,053,428.80

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Solution

The fourth proportional to 645,969,931.20, 968,954,896.80 and 600,053,428.80 is: 900,080,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,969,931.20 : 968,954,896.80 = 600,053,428.80 : x
  2. Step 2: Convert to fraction form
    645,969,931.20/968,954,896.80 = 600,053,428.80/x
  3. Step 3: Cross multiply
    645,969,931.20x = 968,954,896.80 × 600,053,428.80
  4. Step 4: Simplify right side
    645,969,931.20x = 581,424,708,177,390,080
  5. Step 5: Solve for x
    x = 581,424,708,177,390,080/645,969,931.20
  6. Step 6: Final answer
    x = 900,080,143.20

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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.