Home / 1,338,704,875.60-2,008,057,313.40-948,414,605.20

Finding the Fourth Proportional to 1,338,704,875.60, 2,008,057,313.40 and 948,414,605.20

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Solution

The fourth proportional to 1,338,704,875.60, 2,008,057,313.40 and 948,414,605.20 is: 1,422,621,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,704,875.60 : 2,008,057,313.40 = 948,414,605.20 : x
  2. Step 2: Convert to fraction form
    1,338,704,875.60/2,008,057,313.40 = 948,414,605.20/x
  3. Step 3: Cross multiply
    1,338,704,875.60x = 2,008,057,313.40 × 948,414,605.20
  4. Step 4: Simplify right side
    1,338,704,875.60x = 1,904,470,884,107,233,792
  5. Step 5: Solve for x
    x = 1,904,470,884,107,233,792/1,338,704,875.60
  6. Step 6: Final answer
    x = 1,422,621,907.80

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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.