Home / 553,811,335.32-764,494,965.96-345,070,612.56

Finding the Fourth Proportional to 553,811,335.32, 764,494,965.96 and 345,070,612.56

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Solution

The fourth proportional to 553,811,335.32, 764,494,965.96 and 345,070,612.56 is: 476,344,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,811,335.32 : 764,494,965.96 = 345,070,612.56 : x
  2. Step 2: Convert to fraction form
    553,811,335.32/764,494,965.96 = 345,070,612.56/x
  3. Step 3: Cross multiply
    553,811,335.32x = 764,494,965.96 × 345,070,612.56
  4. Step 4: Simplify right side
    553,811,335.32x = 263,804,746,202,853,568
  5. Step 5: Solve for x
    x = 263,804,746,202,853,568/553,811,335.32
  6. Step 6: Final answer
    x = 476,344,071.31

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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.