Home / 876,573,439.68-1,314,550,016.88-254,659,284.12

Finding the Fourth Proportional to 876,573,439.68, 1,314,550,016.88 and 254,659,284.12

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Solution

The fourth proportional to 876,573,439.68, 1,314,550,016.88 and 254,659,284.12 is: 381,898,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,573,439.68 : 1,314,550,016.88 = 254,659,284.12 : x
  2. Step 2: Convert to fraction form
    876,573,439.68/1,314,550,016.88 = 254,659,284.12/x
  3. Step 3: Cross multiply
    876,573,439.68x = 1,314,550,016.88 × 254,659,284.12
  4. Step 4: Simplify right side
    876,573,439.68x = 334,762,366,238,594,752
  5. Step 5: Solve for x
    x = 334,762,366,238,594,752/876,573,439.68
  6. Step 6: Final answer
    x = 381,898,824.54

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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.