Home / 1,372,989,416.27-1,895,128,630.20-896,752,590.30

Finding the Fourth Proportional to 1,372,989,416.27, 1,895,128,630.20 and 896,752,590.30

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Solution

The fourth proportional to 1,372,989,416.27, 1,895,128,630.20 and 896,752,590.30 is: 1,237,781,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,989,416.27 : 1,895,128,630.20 = 896,752,590.30 : x
  2. Step 2: Convert to fraction form
    1,372,989,416.27/1,895,128,630.20 = 896,752,590.30/x
  3. Step 3: Cross multiply
    1,372,989,416.27x = 1,895,128,630.20 × 896,752,590.30
  4. Step 4: Simplify right side
    1,372,989,416.27x = 1,699,461,508,083,540,736
  5. Step 5: Solve for x
    x = 1,699,461,508,083,540,736/1,372,989,416.27
  6. Step 6: Final answer
    x = 1,237,781,943.51

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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.