Home / 627,105,059.64-865,453,392.18-376,218,847.80

Finding the Fourth Proportional to 627,105,059.64, 865,453,392.18 and 376,218,847.80

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Solution

The fourth proportional to 627,105,059.64, 865,453,392.18 and 376,218,847.80 is: 519,211,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,105,059.64 : 865,453,392.18 = 376,218,847.80 : x
  2. Step 2: Convert to fraction form
    627,105,059.64/865,453,392.18 = 376,218,847.80/x
  3. Step 3: Cross multiply
    627,105,059.64x = 865,453,392.18 × 376,218,847.80
  4. Step 4: Simplify right side
    627,105,059.64x = 325,599,878,030,561,152
  5. Step 5: Solve for x
    x = 325,599,878,030,561,152/627,105,059.64
  6. Step 6: Final answer
    x = 519,211,052.48

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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.