Home / 1,245,534,291.84-1,719,195,970.24-822,456,828.16

Finding the Fourth Proportional to 1,245,534,291.84, 1,719,195,970.24 and 822,456,828.16

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Solution

The fourth proportional to 1,245,534,291.84, 1,719,195,970.24 and 822,456,828.16 is: 1,135,227,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,534,291.84 : 1,719,195,970.24 = 822,456,828.16 : x
  2. Step 2: Convert to fraction form
    1,245,534,291.84/1,719,195,970.24 = 822,456,828.16/x
  3. Step 3: Cross multiply
    1,245,534,291.84x = 1,719,195,970.24 × 822,456,828.16
  4. Step 4: Simplify right side
    1,245,534,291.84x = 1,413,964,464,669,044,224
  5. Step 5: Solve for x
    x = 1,413,964,464,669,044,224/1,245,534,291.84
  6. Step 6: Final answer
    x = 1,135,227,246.60

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Double scale
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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.