Home / 1,231,438,520,809.40-1,845,864,750,121.50-414,327,588,322.42

Finding the Fourth Proportional to 1,231,438,520,809.40, 1,845,864,750,121.50 and 414,327,588,322.42

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Solution

The fourth proportional to 1,231,438,520,809.40, 1,845,864,750,121.50 and 414,327,588,322.42 is: 621,056,331,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,438,520,809.40 : 1,845,864,750,121.50 = 414,327,588,322.42 : x
  2. Step 2: Convert to fraction form
    1,231,438,520,809.40/1,845,864,750,121.50 = 414,327,588,322.42/x
  3. Step 3: Cross multiply
    1,231,438,520,809.40x = 1,845,864,750,121.50 × 414,327,588,322.42
  4. Step 4: Simplify right side
    1,231,438,520,809.40x = 764,792,690,287,207,518,306,304
  5. Step 5: Solve for x
    x = 764,792,690,287,207,518,306,304/1,231,438,520,809.40
  6. Step 6: Final answer
    x = 621,056,331,569.46

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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.