Home / 927,340,399.20-1,389,816,205.20-710,856,559.20

Finding the Fourth Proportional to 927,340,399.20, 1,389,816,205.20 and 710,856,559.20

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Solution

The fourth proportional to 927,340,399.20, 1,389,816,205.20 and 710,856,559.20 is: 1,065,369,271.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,340,399.20 : 1,389,816,205.20 = 710,856,559.20 : x
  2. Step 2: Convert to fraction form
    927,340,399.20/1,389,816,205.20 = 710,856,559.20/x
  3. Step 3: Cross multiply
    927,340,399.20x = 1,389,816,205.20 × 710,856,559.20
  4. Step 4: Simplify right side
    927,340,399.20x = 987,959,965,548,873,216
  5. Step 5: Solve for x
    x = 987,959,965,548,873,216/927,340,399.20
  6. Step 6: Final answer
    x = 1,065,369,271.52

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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.