Home / 986,627,435.85-1,479,456,877.40-488,061,910.51

Finding the Fourth Proportional to 986,627,435.85, 1,479,456,877.40 and 488,061,910.51

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Solution

The fourth proportional to 986,627,435.85, 1,479,456,877.40 and 488,061,910.51 is: 731,853,305.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,627,435.85 : 1,479,456,877.40 = 488,061,910.51 : x
  2. Step 2: Convert to fraction form
    986,627,435.85/1,479,456,877.40 = 488,061,910.51/x
  3. Step 3: Cross multiply
    986,627,435.85x = 1,479,456,877.40 × 488,061,910.51
  4. Step 4: Simplify right side
    986,627,435.85x = 722,066,550,101,002,880
  5. Step 5: Solve for x
    x = 722,066,550,101,002,880/986,627,435.85
  6. Step 6: Final answer
    x = 731,853,305.38

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1.5x scale

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.