Home / 28,006,114,052.07-38,648,553,834.20-15,145,754,010.84

Finding the Fourth Proportional to 28,006,114,052.07, 38,648,553,834.20 and 15,145,754,010.84

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Solution

The fourth proportional to 28,006,114,052.07, 38,648,553,834.20 and 15,145,754,010.84 is: 20,901,203,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,114,052.07 : 38,648,553,834.20 = 15,145,754,010.84 : x
  2. Step 2: Convert to fraction form
    28,006,114,052.07/38,648,553,834.20 = 15,145,754,010.84/x
  3. Step 3: Cross multiply
    28,006,114,052.07x = 38,648,553,834.20 × 15,145,754,010.84
  4. Step 4: Simplify right side
    28,006,114,052.07x = 585,361,489,247,424,610,304
  5. Step 5: Solve for x
    x = 585,361,489,247,424,610,304/28,006,114,052.07
  6. Step 6: Final answer
    x = 20,901,203,507.17

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Double scale
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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.