Home / 649,817,433.04-974,729,467.32-218,999,661.52

Finding the Fourth Proportional to 649,817,433.04, 974,729,467.32 and 218,999,661.52

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Solution

The fourth proportional to 649,817,433.04, 974,729,467.32 and 218,999,661.52 is: 328,500,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,817,433.04 : 974,729,467.32 = 218,999,661.52 : x
  2. Step 2: Convert to fraction form
    649,817,433.04/974,729,467.32 = 218,999,661.52/x
  3. Step 3: Cross multiply
    649,817,433.04x = 974,729,467.32 × 218,999,661.52
  4. Step 4: Simplify right side
    649,817,433.04x = 213,465,423,416,649,920
  5. Step 5: Solve for x
    x = 213,465,423,416,649,920/649,817,433.04
  6. Step 6: Final answer
    x = 328,500,610.42

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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.