Home / 431,406,936.60-647,110,404.90-359,662,401.60

Finding the Fourth Proportional to 431,406,936.60, 647,110,404.90 and 359,662,401.60

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Solution

The fourth proportional to 431,406,936.60, 647,110,404.90 and 359,662,401.60 is: 539,493,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,406,936.60 : 647,110,404.90 = 359,662,401.60 : x
  2. Step 2: Convert to fraction form
    431,406,936.60/647,110,404.90 = 359,662,401.60/x
  3. Step 3: Cross multiply
    431,406,936.60x = 647,110,404.90 × 359,662,401.60
  4. Step 4: Simplify right side
    431,406,936.60x = 232,741,282,326,682,400
  5. Step 5: Solve for x
    x = 232,741,282,326,682,400/431,406,936.60
  6. Step 6: Final answer
    x = 539,493,602.40

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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.