Home / 649,541,669.60-974,312,504.40-511,792,162.40

Finding the Fourth Proportional to 649,541,669.60, 974,312,504.40 and 511,792,162.40

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Solution

The fourth proportional to 649,541,669.60, 974,312,504.40 and 511,792,162.40 is: 767,688,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,541,669.60 : 974,312,504.40 = 511,792,162.40 : x
  2. Step 2: Convert to fraction form
    649,541,669.60/974,312,504.40 = 511,792,162.40/x
  3. Step 3: Cross multiply
    649,541,669.60x = 974,312,504.40 × 511,792,162.40
  4. Step 4: Simplify right side
    649,541,669.60x = 498,645,503,480,235,456
  5. Step 5: Solve for x
    x = 498,645,503,480,235,456/649,541,669.60
  6. Step 6: Final answer
    x = 767,688,243.60

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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.