Home / 39,856,150,275.17-55,001,492,043.19-21,791,678,724.03

Finding the Fourth Proportional to 39,856,150,275.17, 55,001,492,043.19 and 21,791,678,724.03

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Solution

The fourth proportional to 39,856,150,275.17, 55,001,492,043.19 and 21,791,678,724.03 is: 30,072,519,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856,150,275.17 : 55,001,492,043.19 = 21,791,678,724.03 : x
  2. Step 2: Convert to fraction form
    39,856,150,275.17/55,001,492,043.19 = 21,791,678,724.03/x
  3. Step 3: Cross multiply
    39,856,150,275.17x = 55,001,492,043.19 × 21,791,678,724.03
  4. Step 4: Simplify right side
    39,856,150,275.17x = 1,198,574,843,947,488,903,168
  5. Step 5: Solve for x
    x = 1,198,574,843,947,488,903,168/39,856,150,275.17
  6. Step 6: Final answer
    x = 30,072,519,188.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.