Home / 881,362,429.75-1,216,278,334.46-484,884,469.32

Finding the Fourth Proportional to 881,362,429.75, 1,216,278,334.46 and 484,884,469.32

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Solution

The fourth proportional to 881,362,429.75, 1,216,278,334.46 and 484,884,469.32 is: 669,139,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,362,429.75 : 1,216,278,334.46 = 484,884,469.32 : x
  2. Step 2: Convert to fraction form
    881,362,429.75/1,216,278,334.46 = 484,884,469.32/x
  3. Step 3: Cross multiply
    881,362,429.75x = 1,216,278,334.46 × 484,884,469.32
  4. Step 4: Simplify right side
    881,362,429.75x = 589,754,474,743,986,304
  5. Step 5: Solve for x
    x = 589,754,474,743,986,304/881,362,429.75
  6. Step 6: Final answer
    x = 669,139,567.15

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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.