Home / 1,079,107,385.24-1,618,719,943.80-342,123,989.60

Finding the Fourth Proportional to 1,079,107,385.24, 1,618,719,943.80 and 342,123,989.60

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Solution

The fourth proportional to 1,079,107,385.24, 1,618,719,943.80 and 342,123,989.60 is: 513,204,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,107,385.24 : 1,618,719,943.80 = 342,123,989.60 : x
  2. Step 2: Convert to fraction form
    1,079,107,385.24/1,618,719,943.80 = 342,123,989.60/x
  3. Step 3: Cross multiply
    1,079,107,385.24x = 1,618,719,943.80 × 342,123,989.60
  4. Step 4: Simplify right side
    1,079,107,385.24x = 553,802,925,217,943,808
  5. Step 5: Solve for x
    x = 553,802,925,217,943,808/1,079,107,385.24
  6. Step 6: Final answer
    x = 513,204,647.46

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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.