Home / 199,723,609,005.64-299,555,143,607.78-54,357,234,766.70

Finding the Fourth Proportional to 199,723,609,005.64, 299,555,143,607.78 and 54,357,234,766.70

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Solution

The fourth proportional to 199,723,609,005.64, 299,555,143,607.78 and 54,357,234,766.70 is: 81,527,613,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,723,609,005.64 : 299,555,143,607.78 = 54,357,234,766.70 : x
  2. Step 2: Convert to fraction form
    199,723,609,005.64/299,555,143,607.78 = 54,357,234,766.70/x
  3. Step 3: Cross multiply
    199,723,609,005.64x = 299,555,143,607.78 × 54,357,234,766.70
  4. Step 4: Simplify right side
    199,723,609,005.64x = 16,282,989,266,659,134,406,656
  5. Step 5: Solve for x
    x = 16,282,989,266,659,134,406,656/199,723,609,005.64
  6. Step 6: Final answer
    x = 81,527,613,824.56

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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.