Home / 12,067,762,640.40-16,654,962,216.12-7,309,898,914.32

Finding the Fourth Proportional to 12,067,762,640.40, 16,654,962,216.12 and 7,309,898,914.32

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Solution

The fourth proportional to 12,067,762,640.40, 16,654,962,216.12 and 7,309,898,914.32 is: 10,088,538,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,762,640.40 : 16,654,962,216.12 = 7,309,898,914.32 : x
  2. Step 2: Convert to fraction form
    12,067,762,640.40/16,654,962,216.12 = 7,309,898,914.32/x
  3. Step 3: Cross multiply
    12,067,762,640.40x = 16,654,962,216.12 × 7,309,898,914.32
  4. Step 4: Simplify right side
    12,067,762,640.40x = 121,746,090,221,656,211,456
  5. Step 5: Solve for x
    x = 121,746,090,221,656,211,456/12,067,762,640.40
  6. Step 6: Final answer
    x = 10,088,538,683.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.