Home / 25,627,500,643.85-35,365,938,587.76-15,327,595,408.38

Finding the Fourth Proportional to 25,627,500,643.85, 35,365,938,587.76 and 15,327,595,408.38

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Solution

The fourth proportional to 25,627,500,643.85, 35,365,938,587.76 and 15,327,595,408.38 is: 21,152,074,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,627,500,643.85 : 35,365,938,587.76 = 15,327,595,408.38 : x
  2. Step 2: Convert to fraction form
    25,627,500,643.85/35,365,938,587.76 = 15,327,595,408.38/x
  3. Step 3: Cross multiply
    25,627,500,643.85x = 35,365,938,587.76 × 15,327,595,408.38
  4. Step 4: Simplify right side
    25,627,500,643.85x = 542,074,797,910,799,220,736
  5. Step 5: Solve for x
    x = 542,074,797,910,799,220,736/25,627,500,643.85
  6. Step 6: Final answer
    x = 21,152,074,306.59

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1.5x scale

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.