Home / 486,775,217.55-671,750,390.79-263,756,723.22

Finding the Fourth Proportional to 486,775,217.55, 671,750,390.79 and 263,756,723.22

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Solution

The fourth proportional to 486,775,217.55, 671,750,390.79 and 263,756,723.22 is: 363,984,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,775,217.55 : 671,750,390.79 = 263,756,723.22 : x
  2. Step 2: Convert to fraction form
    486,775,217.55/671,750,390.79 = 263,756,723.22/x
  3. Step 3: Cross multiply
    486,775,217.55x = 671,750,390.79 × 263,756,723.22
  4. Step 4: Simplify right side
    486,775,217.55x = 177,178,681,896,524,864
  5. Step 5: Solve for x
    x = 177,178,681,896,524,864/486,775,217.55
  6. Step 6: Final answer
    x = 363,984,598.04

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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.