Home / 1,141,314,100.80-1,711,431,479.97-442,133,713.77

Finding the Fourth Proportional to 1,141,314,100.80, 1,711,431,479.97 and 442,133,713.77

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Solution

The fourth proportional to 1,141,314,100.80, 1,711,431,479.97 and 442,133,713.77 is: 662,991,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,314,100.80 : 1,711,431,479.97 = 442,133,713.77 : x
  2. Step 2: Convert to fraction form
    1,141,314,100.80/1,711,431,479.97 = 442,133,713.77/x
  3. Step 3: Cross multiply
    1,141,314,100.80x = 1,711,431,479.97 × 442,133,713.77
  4. Step 4: Simplify right side
    1,141,314,100.80x = 756,681,556,102,023,424
  5. Step 5: Solve for x
    x = 756,681,556,102,023,424/1,141,314,100.80
  6. Step 6: Final answer
    x = 662,991,507.40

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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.