Home / 12,067,762,641.40-16,654,962,217.50-7,309,898,915.32

Finding the Fourth Proportional to 12,067,762,641.40, 16,654,962,217.50 and 7,309,898,915.32

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Solution

The fourth proportional to 12,067,762,641.40, 16,654,962,217.50 and 7,309,898,915.32 is: 10,088,538,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,762,641.40 : 16,654,962,217.50 = 7,309,898,915.32 : x
  2. Step 2: Convert to fraction form
    12,067,762,641.40/16,654,962,217.50 = 7,309,898,915.32/x
  3. Step 3: Cross multiply
    12,067,762,641.40x = 16,654,962,217.50 × 7,309,898,915.32
  4. Step 4: Simplify right side
    12,067,762,641.40x = 121,746,090,248,398,831,616
  5. Step 5: Solve for x
    x = 121,746,090,248,398,831,616/12,067,762,641.40
  6. Step 6: Final answer
    x = 10,088,538,684.94

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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.