Home / 8,975,472,909.80-13,463,209,364.70-5,979,421,128.20

Finding the Fourth Proportional to 8,975,472,909.80, 13,463,209,364.70 and 5,979,421,128.20

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Solution

The fourth proportional to 8,975,472,909.80, 13,463,209,364.70 and 5,979,421,128.20 is: 8,969,131,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975,472,909.80 : 13,463,209,364.70 = 5,979,421,128.20 : x
  2. Step 2: Convert to fraction form
    8,975,472,909.80/13,463,209,364.70 = 5,979,421,128.20/x
  3. Step 3: Cross multiply
    8,975,472,909.80x = 13,463,209,364.70 × 5,979,421,128.20
  4. Step 4: Simplify right side
    8,975,472,909.80x = 80,502,198,528,667,287,552
  5. Step 5: Solve for x
    x = 80,502,198,528,667,287,552/8,975,472,909.80
  6. Step 6: Final answer
    x = 8,969,131,692.30

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Double scale
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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.