Home / 25,531,428,561.60-38,297,142,842.40-8,083,157,649.60

Finding the Fourth Proportional to 25,531,428,561.60, 38,297,142,842.40 and 8,083,157,649.60

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Solution

The fourth proportional to 25,531,428,561.60, 38,297,142,842.40 and 8,083,157,649.60 is: 12,124,736,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531,428,561.60 : 38,297,142,842.40 = 8,083,157,649.60 : x
  2. Step 2: Convert to fraction form
    25,531,428,561.60/38,297,142,842.40 = 8,083,157,649.60/x
  3. Step 3: Cross multiply
    25,531,428,561.60x = 38,297,142,842.40 × 8,083,157,649.60
  4. Step 4: Simplify right side
    25,531,428,561.60x = 309,561,843,124,369,489,920
  5. Step 5: Solve for x
    x = 309,561,843,124,369,489,920/25,531,428,561.60
  6. Step 6: Final answer
    x = 12,124,736,474.40

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Double scale
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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.