Home / 408,823,995.47-564,174,243.72-223,185,011.18

Finding the Fourth Proportional to 408,823,995.47, 564,174,243.72 and 223,185,011.18

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Solution

The fourth proportional to 408,823,995.47, 564,174,243.72 and 223,185,011.18 is: 307,993,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,823,995.47 : 564,174,243.72 = 223,185,011.18 : x
  2. Step 2: Convert to fraction form
    408,823,995.47/564,174,243.72 = 223,185,011.18/x
  3. Step 3: Cross multiply
    408,823,995.47x = 564,174,243.72 × 223,185,011.18
  4. Step 4: Simplify right side
    408,823,995.47x = 125,915,234,889,295,392
  5. Step 5: Solve for x
    x = 125,915,234,889,295,392/408,823,995.47
  6. Step 6: Final answer
    x = 307,993,748.62

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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.