Home / 1,230,010,998.40-1,845,178,335.60-454,201,616.80

Finding the Fourth Proportional to 1,230,010,998.40, 1,845,178,335.60 and 454,201,616.80

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Solution

The fourth proportional to 1,230,010,998.40, 1,845,178,335.60 and 454,201,616.80 is: 681,362,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,010,998.40 : 1,845,178,335.60 = 454,201,616.80 : x
  2. Step 2: Convert to fraction form
    1,230,010,998.40/1,845,178,335.60 = 454,201,616.80/x
  3. Step 3: Cross multiply
    1,230,010,998.40x = 1,845,178,335.60 × 454,201,616.80
  4. Step 4: Simplify right side
    1,230,010,998.40x = 838,082,983,313,852,928
  5. Step 5: Solve for x
    x = 838,082,983,313,852,928/1,230,010,998.40
  6. Step 6: Final answer
    x = 681,362,186.52

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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.