Home / 549,432,759.42-757,459,575.62-438,300,791.82

Finding the Fourth Proportional to 549,432,759.42, 757,459,575.62 and 438,300,791.82

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Solution

The fourth proportional to 549,432,759.42, 757,459,575.62 and 438,300,791.82 is: 604,250,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,432,759.42 : 757,459,575.62 = 438,300,791.82 : x
  2. Step 2: Convert to fraction form
    549,432,759.42/757,459,575.62 = 438,300,791.82/x
  3. Step 3: Cross multiply
    549,432,759.42x = 757,459,575.62 × 438,300,791.82
  4. Step 4: Simplify right side
    549,432,759.42x = 331,995,131,765,887,168
  5. Step 5: Solve for x
    x = 331,995,131,765,887,168/549,432,759.42
  6. Step 6: Final answer
    x = 604,250,704.16

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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.