Home / 646,646,502.90-970,297,383.15-283,144,422.90

Finding the Fourth Proportional to 646,646,502.90, 970,297,383.15 and 283,144,422.90

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Solution

The fourth proportional to 646,646,502.90, 970,297,383.15 and 283,144,422.90 is: 424,860,091.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,646,502.90 : 970,297,383.15 = 283,144,422.90 : x
  2. Step 2: Convert to fraction form
    646,646,502.90/970,297,383.15 = 283,144,422.90/x
  3. Step 3: Cross multiply
    646,646,502.90x = 970,297,383.15 × 283,144,422.90
  4. Step 4: Simplify right side
    646,646,502.90x = 274,734,292,593,386,912
  5. Step 5: Solve for x
    x = 274,734,292,593,386,912/646,646,502.90
  6. Step 6: Final answer
    x = 424,860,091.81

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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.