Home / 409,084,879.40-564,533,394.18-223,445,839.40

Finding the Fourth Proportional to 409,084,879.40, 564,533,394.18 and 223,445,839.40

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Solution

The fourth proportional to 409,084,879.40, 564,533,394.18 and 223,445,839.40 is: 308,353,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,084,879.40 : 564,533,394.18 = 223,445,839.40 : x
  2. Step 2: Convert to fraction form
    409,084,879.40/564,533,394.18 = 223,445,839.40/x
  3. Step 3: Cross multiply
    409,084,879.40x = 564,533,394.18 × 223,445,839.40
  4. Step 4: Simplify right side
    409,084,879.40x = 126,142,638,131,881,168
  5. Step 5: Solve for x
    x = 126,142,638,131,881,168/409,084,879.40
  6. Step 6: Final answer
    x = 308,353,215.88

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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.