Home / 927,338,725.20-1,391,008,087.80-655,240,933.20

Finding the Fourth Proportional to 927,338,725.20, 1,391,008,087.80 and 655,240,933.20

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Solution

The fourth proportional to 927,338,725.20, 1,391,008,087.80 and 655,240,933.20 is: 982,861,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,338,725.20 : 1,391,008,087.80 = 655,240,933.20 : x
  2. Step 2: Convert to fraction form
    927,338,725.20/1,391,008,087.80 = 655,240,933.20/x
  3. Step 3: Cross multiply
    927,338,725.20x = 1,391,008,087.80 × 655,240,933.20
  4. Step 4: Simplify right side
    927,338,725.20x = 911,445,437,538,819,584
  5. Step 5: Solve for x
    x = 911,445,437,538,819,584/927,338,725.20
  6. Step 6: Final answer
    x = 982,861,399.80

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1.5x scale

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.