Home / 400,168,150.48-552,290,036.70-230,589,397.72

Finding the Fourth Proportional to 400,168,150.48, 552,290,036.70 and 230,589,397.72

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Solution

The fourth proportional to 400,168,150.48, 552,290,036.70 and 230,589,397.72 is: 318,246,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,168,150.48 : 552,290,036.70 = 230,589,397.72 : x
  2. Step 2: Convert to fraction form
    400,168,150.48/552,290,036.70 = 230,589,397.72/x
  3. Step 3: Cross multiply
    400,168,150.48x = 552,290,036.70 × 230,589,397.72
  4. Step 4: Simplify right side
    400,168,150.48x = 127,352,226,929,409,712
  5. Step 5: Solve for x
    x = 127,352,226,929,409,712/400,168,150.48
  6. Step 6: Final answer
    x = 318,246,783.95

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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.