Home / 25,627,500,643.35-35,365,938,587.07-15,327,595,407.88

Finding the Fourth Proportional to 25,627,500,643.35, 35,365,938,587.07 and 15,327,595,407.88

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Solution

The fourth proportional to 25,627,500,643.35, 35,365,938,587.07 and 15,327,595,407.88 is: 21,152,074,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,627,500,643.35 : 35,365,938,587.07 = 15,327,595,407.88 : x
  2. Step 2: Convert to fraction form
    25,627,500,643.35/35,365,938,587.07 = 15,327,595,407.88/x
  3. Step 3: Cross multiply
    25,627,500,643.35x = 35,365,938,587.07 × 15,327,595,407.88
  4. Step 4: Simplify right side
    25,627,500,643.35x = 542,074,797,882,428,227,584
  5. Step 5: Solve for x
    x = 542,074,797,882,428,227,584/25,627,500,643.35
  6. Step 6: Final answer
    x = 21,152,074,305.89

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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.