Home / 398,643,527.70-597,965,291.55-223,586,862.30

Finding the Fourth Proportional to 398,643,527.70, 597,965,291.55 and 223,586,862.30

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Solution

The fourth proportional to 398,643,527.70, 597,965,291.55 and 223,586,862.30 is: 335,380,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,643,527.70 : 597,965,291.55 = 223,586,862.30 : x
  2. Step 2: Convert to fraction form
    398,643,527.70/597,965,291.55 = 223,586,862.30/x
  3. Step 3: Cross multiply
    398,643,527.70x = 597,965,291.55 × 223,586,862.30
  4. Step 4: Simplify right side
    398,643,527.70x = 133,697,183,301,969,200
  5. Step 5: Solve for x
    x = 133,697,183,301,969,200/398,643,527.70
  6. Step 6: Final answer
    x = 335,380,293.45

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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.