Home / 661,879,524.78-913,382,600.67-364,549,455.18

Finding the Fourth Proportional to 661,879,524.78, 913,382,600.67 and 364,549,455.18

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Solution

The fourth proportional to 661,879,524.78, 913,382,600.67 and 364,549,455.18 is: 503,072,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,879,524.78 : 913,382,600.67 = 364,549,455.18 : x
  2. Step 2: Convert to fraction form
    661,879,524.78/913,382,600.67 = 364,549,455.18/x
  3. Step 3: Cross multiply
    661,879,524.78x = 913,382,600.67 × 364,549,455.18
  4. Step 4: Simplify right side
    661,879,524.78x = 332,973,129,445,139,968
  5. Step 5: Solve for x
    x = 332,973,129,445,139,968/661,879,524.78
  6. Step 6: Final answer
    x = 503,072,110.53

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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.