Home / 646,692,560.42-970,119,513.29-253,168,554.60

Finding the Fourth Proportional to 646,692,560.42, 970,119,513.29 and 253,168,554.60

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Solution

The fourth proportional to 646,692,560.42, 970,119,513.29 and 253,168,554.60 is: 379,784,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,692,560.42 : 970,119,513.29 = 253,168,554.60 : x
  2. Step 2: Convert to fraction form
    646,692,560.42/970,119,513.29 = 253,168,554.60/x
  3. Step 3: Cross multiply
    646,692,560.42x = 970,119,513.29 × 253,168,554.60
  4. Step 4: Simplify right side
    646,692,560.42x = 245,603,754,969,517,696
  5. Step 5: Solve for x
    x = 245,603,754,969,517,696/646,692,560.42
  6. Step 6: Final answer
    x = 379,784,413.81

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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.