Home / 1,115,152,179.26-1,672,918,837.34-459,744,926.54

Finding the Fourth Proportional to 1,115,152,179.26, 1,672,918,837.34 and 459,744,926.54

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Solution

The fourth proportional to 1,115,152,179.26, 1,672,918,837.34 and 459,744,926.54 is: 689,695,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,152,179.26 : 1,672,918,837.34 = 459,744,926.54 : x
  2. Step 2: Convert to fraction form
    1,115,152,179.26/1,672,918,837.34 = 459,744,926.54/x
  3. Step 3: Cross multiply
    1,115,152,179.26x = 1,672,918,837.34 × 459,744,926.54
  4. Step 4: Simplify right side
    1,115,152,179.26x = 769,115,947,969,597,312
  5. Step 5: Solve for x
    x = 769,115,947,969,597,312/1,115,152,179.26
  6. Step 6: Final answer
    x = 689,695,955.65

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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.