Home / 434,560,021.20-651,955,505.40-188,811,205.20

Finding the Fourth Proportional to 434,560,021.20, 651,955,505.40 and 188,811,205.20

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Solution

The fourth proportional to 434,560,021.20, 651,955,505.40 and 188,811,205.20 is: 283,266,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,560,021.20 : 651,955,505.40 = 188,811,205.20 : x
  2. Step 2: Convert to fraction form
    434,560,021.20/651,955,505.40 = 188,811,205.20/x
  3. Step 3: Cross multiply
    434,560,021.20x = 651,955,505.40 × 188,811,205.20
  4. Step 4: Simplify right side
    434,560,021.20x = 123,096,504,711,349,088
  5. Step 5: Solve for x
    x = 123,096,504,711,349,088/434,560,021.20
  6. Step 6: Final answer
    x = 283,266,979.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.