Home / 895,941,787.44-1,236,336,531.50-499,447,238.60

Finding the Fourth Proportional to 895,941,787.44, 1,236,336,531.50 and 499,447,238.60

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Solution

The fourth proportional to 895,941,787.44, 1,236,336,531.50 and 499,447,238.60 is: 689,201,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,941,787.44 : 1,236,336,531.50 = 499,447,238.60 : x
  2. Step 2: Convert to fraction form
    895,941,787.44/1,236,336,531.50 = 499,447,238.60/x
  3. Step 3: Cross multiply
    895,941,787.44x = 1,236,336,531.50 × 499,447,238.60
  4. Step 4: Simplify right side
    895,941,787.44x = 617,484,866,637,976,960
  5. Step 5: Solve for x
    x = 617,484,866,637,976,960/895,941,787.44
  6. Step 6: Final answer
    x = 689,201,994.25

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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.