Home / 8,653,206,769.20-12,979,810,153.80-8,561,373,764.40

Finding the Fourth Proportional to 8,653,206,769.20, 12,979,810,153.80 and 8,561,373,764.40

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Solution

The fourth proportional to 8,653,206,769.20, 12,979,810,153.80 and 8,561,373,764.40 is: 12,842,060,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653,206,769.20 : 12,979,810,153.80 = 8,561,373,764.40 : x
  2. Step 2: Convert to fraction form
    8,653,206,769.20/12,979,810,153.80 = 8,561,373,764.40/x
  3. Step 3: Cross multiply
    8,653,206,769.20x = 12,979,810,153.80 × 8,561,373,764.40
  4. Step 4: Simplify right side
    8,653,206,769.20x = 111,125,006,117,636,030,464
  5. Step 5: Solve for x
    x = 111,125,006,117,636,030,464/8,653,206,769.20
  6. Step 6: Final answer
    x = 12,842,060,646.60

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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.