Home / 10,127,916,217.56-15,190,495,223.04-2,665,874,121.72

Finding the Fourth Proportional to 10,127,916,217.56, 15,190,495,223.04 and 2,665,874,121.72

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Solution

The fourth proportional to 10,127,916,217.56, 15,190,495,223.04 and 2,665,874,121.72 is: 3,998,448,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127,916,217.56 : 15,190,495,223.04 = 2,665,874,121.72 : x
  2. Step 2: Convert to fraction form
    10,127,916,217.56/15,190,495,223.04 = 2,665,874,121.72/x
  3. Step 3: Cross multiply
    10,127,916,217.56x = 15,190,495,223.04 × 2,665,874,121.72
  4. Step 4: Simplify right side
    10,127,916,217.56x = 40,495,948,111,213,617,152
  5. Step 5: Solve for x
    x = 40,495,948,111,213,617,152/10,127,916,217.56
  6. Step 6: Final answer
    x = 3,998,448,174.46

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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.