Home / 21,405,070,707.12-32,107,928,949.42-7,431,136,491.96

Finding the Fourth Proportional to 21,405,070,707.12, 32,107,928,949.42 and 7,431,136,491.96

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Solution

The fourth proportional to 21,405,070,707.12, 32,107,928,949.42 and 7,431,136,491.96 is: 11,146,816,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,405,070,707.12 : 32,107,928,949.42 = 7,431,136,491.96 : x
  2. Step 2: Convert to fraction form
    21,405,070,707.12/32,107,928,949.42 = 7,431,136,491.96/x
  3. Step 3: Cross multiply
    21,405,070,707.12x = 32,107,928,949.42 × 7,431,136,491.96
  4. Step 4: Simplify right side
    21,405,070,707.12x = 238,598,402,497,293,844,480
  5. Step 5: Solve for x
    x = 238,598,402,497,293,844,480/21,405,070,707.12
  6. Step 6: Final answer
    x = 11,146,816,834.29

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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.