Home / 127,489,893,670.40-191,234,840,505.60-39,157,880,460.80

Finding the Fourth Proportional to 127,489,893,670.40, 191,234,840,505.60 and 39,157,880,460.80

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Solution

The fourth proportional to 127,489,893,670.40, 191,234,840,505.60 and 39,157,880,460.80 is: 58,736,820,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,489,893,670.40 : 191,234,840,505.60 = 39,157,880,460.80 : x
  2. Step 2: Convert to fraction form
    127,489,893,670.40/191,234,840,505.60 = 39,157,880,460.80/x
  3. Step 3: Cross multiply
    127,489,893,670.40x = 191,234,840,505.60 × 39,157,880,460.80
  4. Step 4: Simplify right side
    127,489,893,670.40x = 7,488,351,024,458,439,327,744
  5. Step 5: Solve for x
    x = 7,488,351,024,458,439,327,744/127,489,893,670.40
  6. Step 6: Final answer
    x = 58,736,820,691.20

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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.