Home / 426,353,930.40-639,530,895.60-244,955,402.40

Finding the Fourth Proportional to 426,353,930.40, 639,530,895.60 and 244,955,402.40

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Solution

The fourth proportional to 426,353,930.40, 639,530,895.60 and 244,955,402.40 is: 367,433,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,353,930.40 : 639,530,895.60 = 244,955,402.40 : x
  2. Step 2: Convert to fraction form
    426,353,930.40/639,530,895.60 = 244,955,402.40/x
  3. Step 3: Cross multiply
    426,353,930.40x = 639,530,895.60 × 244,955,402.40
  4. Step 4: Simplify right side
    426,353,930.40x = 156,656,547,878,930,400
  5. Step 5: Solve for x
    x = 156,656,547,878,930,400/426,353,930.40
  6. Step 6: Final answer
    x = 367,433,103.60

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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.