Home / 663,911,931.26-995,799,652.04-221,206,795.51

Finding the Fourth Proportional to 663,911,931.26, 995,799,652.04 and 221,206,795.51

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Solution

The fourth proportional to 663,911,931.26, 995,799,652.04 and 221,206,795.51 is: 331,787,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,911,931.26 : 995,799,652.04 = 221,206,795.51 : x
  2. Step 2: Convert to fraction form
    663,911,931.26/995,799,652.04 = 221,206,795.51/x
  3. Step 3: Cross multiply
    663,911,931.26x = 995,799,652.04 × 221,206,795.51
  4. Step 4: Simplify right side
    663,911,931.26x = 220,277,649,992,762,432
  5. Step 5: Solve for x
    x = 220,277,649,992,762,432/663,911,931.26
  6. Step 6: Final answer
    x = 331,787,454.96

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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.