Home / 71,539,123,236.02-98,721,115,774.24-38,985,645,612.94

Finding the Fourth Proportional to 71,539,123,236.02, 98,721,115,774.24 and 38,985,645,612.94

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Solution

The fourth proportional to 71,539,123,236.02, 98,721,115,774.24 and 38,985,645,612.94 is: 53,798,624,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,539,123,236.02 : 98,721,115,774.24 = 38,985,645,612.94 : x
  2. Step 2: Convert to fraction form
    71,539,123,236.02/98,721,115,774.24 = 38,985,645,612.94/x
  3. Step 3: Cross multiply
    71,539,123,236.02x = 98,721,115,774.24 × 38,985,645,612.94
  4. Step 4: Simplify right side
    71,539,123,236.02x = 3,848,706,434,088,542,142,464
  5. Step 5: Solve for x
    x = 3,848,706,434,088,542,142,464/71,539,123,236.02
  6. Step 6: Final answer
    x = 53,798,624,584.63

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Double scale
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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.