Home / 748,213,423.38-1,032,570,512.37-413,679,755.70

Finding the Fourth Proportional to 748,213,423.38, 1,032,570,512.37 and 413,679,755.70

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Solution

The fourth proportional to 748,213,423.38, 1,032,570,512.37 and 413,679,755.70 is: 570,897,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,213,423.38 : 1,032,570,512.37 = 413,679,755.70 : x
  2. Step 2: Convert to fraction form
    748,213,423.38/1,032,570,512.37 = 413,679,755.70/x
  3. Step 3: Cross multiply
    748,213,423.38x = 1,032,570,512.37 × 413,679,755.70
  4. Step 4: Simplify right side
    748,213,423.38x = 427,153,517,300,245,440
  5. Step 5: Solve for x
    x = 427,153,517,300,245,440/748,213,423.38
  6. Step 6: Final answer
    x = 570,897,960.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.