Home / 836,331,708.69-1,154,090,375.33-465,045,768.45

Finding the Fourth Proportional to 836,331,708.69, 1,154,090,375.33 and 465,045,768.45

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Solution

The fourth proportional to 836,331,708.69, 1,154,090,375.33 and 465,045,768.45 is: 641,736,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,331,708.69 : 1,154,090,375.33 = 465,045,768.45 : x
  2. Step 2: Convert to fraction form
    836,331,708.69/1,154,090,375.33 = 465,045,768.45/x
  3. Step 3: Cross multiply
    836,331,708.69x = 1,154,090,375.33 × 465,045,768.45
  4. Step 4: Simplify right side
    836,331,708.69x = 536,704,845,453,763,520
  5. Step 5: Solve for x
    x = 536,704,845,453,763,520/836,331,708.69
  6. Step 6: Final answer
    x = 641,736,813.13

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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.