Home / 426,111,613.60-639,167,420.40-413,357,029.60

Finding the Fourth Proportional to 426,111,613.60, 639,167,420.40 and 413,357,029.60

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Solution

The fourth proportional to 426,111,613.60, 639,167,420.40 and 413,357,029.60 is: 620,035,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,111,613.60 : 639,167,420.40 = 413,357,029.60 : x
  2. Step 2: Convert to fraction form
    426,111,613.60/639,167,420.40 = 413,357,029.60/x
  3. Step 3: Cross multiply
    426,111,613.60x = 639,167,420.40 × 413,357,029.60
  4. Step 4: Simplify right side
    426,111,613.60x = 264,204,346,313,638,464
  5. Step 5: Solve for x
    x = 264,204,346,313,638,464/426,111,613.60
  6. Step 6: Final answer
    x = 620,035,544.40

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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.