Home / 8,613,499,567.80-12,920,249,351.70-7,327,837,500.60

Finding the Fourth Proportional to 8,613,499,567.80, 12,920,249,351.70 and 7,327,837,500.60

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Solution

The fourth proportional to 8,613,499,567.80, 12,920,249,351.70 and 7,327,837,500.60 is: 10,991,756,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613,499,567.80 : 12,920,249,351.70 = 7,327,837,500.60 : x
  2. Step 2: Convert to fraction form
    8,613,499,567.80/12,920,249,351.70 = 7,327,837,500.60/x
  3. Step 3: Cross multiply
    8,613,499,567.80x = 12,920,249,351.70 × 7,327,837,500.60
  4. Step 4: Simplify right side
    8,613,499,567.80x = 94,677,487,716,490,100,736
  5. Step 5: Solve for x
    x = 94,677,487,716,490,100,736/8,613,499,567.80
  6. Step 6: Final answer
    x = 10,991,756,250.90

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Double scale
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Similar ratio
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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.