Home / 12,870,559,922.76-19,306,202,153.40-3,554,307,892.80

Finding the Fourth Proportional to 12,870,559,922.76, 19,306,202,153.40 and 3,554,307,892.80

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Solution

The fourth proportional to 12,870,559,922.76, 19,306,202,153.40 and 3,554,307,892.80 is: 5,331,561,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,870,559,922.76 : 19,306,202,153.40 = 3,554,307,892.80 : x
  2. Step 2: Convert to fraction form
    12,870,559,922.76/19,306,202,153.40 = 3,554,307,892.80/x
  3. Step 3: Cross multiply
    12,870,559,922.76x = 19,306,202,153.40 × 3,554,307,892.80
  4. Step 4: Simplify right side
    12,870,559,922.76x = 68,620,186,693,821,988,864
  5. Step 5: Solve for x
    x = 68,620,186,693,821,988,864/12,870,559,922.76
  6. Step 6: Final answer
    x = 5,331,561,882.75

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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.