Home / 517,921,972.80-776,882,959.20-134,969,524.80

Finding the Fourth Proportional to 517,921,972.80, 776,882,959.20 and 134,969,524.80

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Solution

The fourth proportional to 517,921,972.80, 776,882,959.20 and 134,969,524.80 is: 202,454,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,921,972.80 : 776,882,959.20 = 134,969,524.80 : x
  2. Step 2: Convert to fraction form
    517,921,972.80/776,882,959.20 = 134,969,524.80/x
  3. Step 3: Cross multiply
    517,921,972.80x = 776,882,959.20 × 134,969,524.80
  4. Step 4: Simplify right side
    517,921,972.80x = 104,855,523,828,441,808
  5. Step 5: Solve for x
    x = 104,855,523,828,441,808/517,921,972.80
  6. Step 6: Final answer
    x = 202,454,287.20

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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.