Home / 486,478,317.48-671,331,781.14-263,458,191.72

Finding the Fourth Proportional to 486,478,317.48, 671,331,781.14 and 263,458,191.72

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Solution

The fourth proportional to 486,478,317.48, 671,331,781.14 and 263,458,191.72 is: 363,567,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,478,317.48 : 671,331,781.14 = 263,458,191.72 : x
  2. Step 2: Convert to fraction form
    486,478,317.48/671,331,781.14 = 263,458,191.72/x
  3. Step 3: Cross multiply
    486,478,317.48x = 671,331,781.14 × 263,458,191.72
  4. Step 4: Simplify right side
    486,478,317.48x = 176,867,857,103,311,200
  5. Step 5: Solve for x
    x = 176,867,857,103,311,200/486,478,317.48
  6. Step 6: Final answer
    x = 363,567,811.24

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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.