Home / 408,649,357.63-563,935,965.23-223,010,373.32

Finding the Fourth Proportional to 408,649,357.63, 563,935,965.23 and 223,010,373.32

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Solution

The fourth proportional to 408,649,357.63, 563,935,965.23 and 223,010,373.32 is: 307,754,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,649,357.63 : 563,935,965.23 = 223,010,373.32 : x
  2. Step 2: Convert to fraction form
    408,649,357.63/563,935,965.23 = 223,010,373.32/x
  3. Step 3: Cross multiply
    408,649,357.63x = 563,935,965.23 × 223,010,373.32
  4. Step 4: Simplify right side
    408,649,357.63x = 125,763,570,130,582,112
  5. Step 5: Solve for x
    x = 125,763,570,130,582,112/408,649,357.63
  6. Step 6: Final answer
    x = 307,754,234.24

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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.