Home / 15,716,135,916.56-21,688,355,657.23-8,941,954,331.86

Finding the Fourth Proportional to 15,716,135,916.56, 21,688,355,657.23 and 8,941,954,331.86

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Solution

The fourth proportional to 15,716,135,916.56, 21,688,355,657.23 and 8,941,954,331.86 is: 12,339,947,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716,135,916.56 : 21,688,355,657.23 = 8,941,954,331.86 : x
  2. Step 2: Convert to fraction form
    15,716,135,916.56/21,688,355,657.23 = 8,941,954,331.86/x
  3. Step 3: Cross multiply
    15,716,135,916.56x = 21,688,355,657.23 × 8,941,954,331.86
  4. Step 4: Simplify right side
    15,716,135,916.56x = 193,936,285,820,016,033,792
  5. Step 5: Solve for x
    x = 193,936,285,820,016,033,792/15,716,135,916.56
  6. Step 6: Final answer
    x = 12,339,947,099.57

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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.