Home / 398,586,473.70-597,879,710.55-223,529,808.30

Finding the Fourth Proportional to 398,586,473.70, 597,879,710.55 and 223,529,808.30

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Solution

The fourth proportional to 398,586,473.70, 597,879,710.55 and 223,529,808.30 is: 335,294,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,586,473.70 : 597,879,710.55 = 223,529,808.30 : x
  2. Step 2: Convert to fraction form
    398,586,473.70/597,879,710.55 = 223,529,808.30/x
  3. Step 3: Cross multiply
    398,586,473.70x = 597,879,710.55 × 223,529,808.30
  4. Step 4: Simplify right side
    398,586,473.70x = 133,643,937,085,700,992
  5. Step 5: Solve for x
    x = 133,643,937,085,700,992/398,586,473.70
  6. Step 6: Final answer
    x = 335,294,712.45

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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.