Home / 20,944,912,463.90-28,903,741,094.43-11,429,626,105.61

Finding the Fourth Proportional to 20,944,912,463.90, 28,903,741,094.43 and 11,429,626,105.61

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Solution

The fourth proportional to 20,944,912,463.90, 28,903,741,094.43 and 11,429,626,105.61 is: 15,772,754,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944,912,463.90 : 28,903,741,094.43 = 11,429,626,105.61 : x
  2. Step 2: Convert to fraction form
    20,944,912,463.90/28,903,741,094.43 = 11,429,626,105.61/x
  3. Step 3: Cross multiply
    20,944,912,463.90x = 28,903,741,094.43 × 11,429,626,105.61
  4. Step 4: Simplify right side
    20,944,912,463.90x = 330,358,953,762,689,712,128
  5. Step 5: Solve for x
    x = 330,358,953,762,689,712,128/20,944,912,463.90
  6. Step 6: Final answer
    x = 15,772,754,091.58

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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.