Home / 639,058,733.60-958,588,100.40-250,681,650.80

Finding the Fourth Proportional to 639,058,733.60, 958,588,100.40 and 250,681,650.80

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Solution

The fourth proportional to 639,058,733.60, 958,588,100.40 and 250,681,650.80 is: 376,022,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,058,733.60 : 958,588,100.40 = 250,681,650.80 : x
  2. Step 2: Convert to fraction form
    639,058,733.60/958,588,100.40 = 250,681,650.80/x
  3. Step 3: Cross multiply
    639,058,733.60x = 958,588,100.40 × 250,681,650.80
  4. Step 4: Simplify right side
    639,058,733.60x = 240,300,447,445,508,160
  5. Step 5: Solve for x
    x = 240,300,447,445,508,160/639,058,733.60
  6. Step 6: Final answer
    x = 376,022,476.20

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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.