Home / 409,080,141.60-564,526,868.76-223,441,108.08

Finding the Fourth Proportional to 409,080,141.60, 564,526,868.76 and 223,441,108.08

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Solution

The fourth proportional to 409,080,141.60, 564,526,868.76 and 223,441,108.08 is: 308,346,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,080,141.60 : 564,526,868.76 = 223,441,108.08 : x
  2. Step 2: Convert to fraction form
    409,080,141.60/564,526,868.76 = 223,441,108.08/x
  3. Step 3: Cross multiply
    409,080,141.60x = 564,526,868.76 × 223,441,108.08
  4. Step 4: Simplify right side
    409,080,141.60x = 126,138,509,096,667,136
  5. Step 5: Solve for x
    x = 126,138,509,096,667,136/409,080,141.60
  6. Step 6: Final answer
    x = 308,346,693.64

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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.