Home / 29,428,293,228.48-40,664,167,153.38-20,955,407,136.48

Finding the Fourth Proportional to 29,428,293,228.48, 40,664,167,153.38 and 20,955,407,136.48

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Solution

The fourth proportional to 29,428,293,228.48, 40,664,167,153.38 and 20,955,407,136.48 is: 28,956,289,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428,293,228.48 : 40,664,167,153.38 = 20,955,407,136.48 : x
  2. Step 2: Convert to fraction form
    29,428,293,228.48/40,664,167,153.38 = 20,955,407,136.48/x
  3. Step 3: Cross multiply
    29,428,293,228.48x = 40,664,167,153.38 × 20,955,407,136.48
  4. Step 4: Simplify right side
    29,428,293,228.48x = 852,134,178,564,954,783,744
  5. Step 5: Solve for x
    x = 852,134,178,564,954,783,744/29,428,293,228.48
  6. Step 6: Final answer
    x = 28,956,289,511.90

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Double scale
Find fourth proportional to 29,428,293,229.48, 40,664,167,154.76 and 20,955,407,137.48
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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.