Home / 1,833,290,395.12-2,750,132,385.49-784,137,560.32

Finding the Fourth Proportional to 1,833,290,395.12, 2,750,132,385.49 and 784,137,560.32

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Solution

The fourth proportional to 1,833,290,395.12, 2,750,132,385.49 and 784,137,560.32 is: 1,176,290,512.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833,290,395.12 : 2,750,132,385.49 = 784,137,560.32 : x
  2. Step 2: Convert to fraction form
    1,833,290,395.12/2,750,132,385.49 = 784,137,560.32/x
  3. Step 3: Cross multiply
    1,833,290,395.12x = 2,750,132,385.49 × 784,137,560.32
  4. Step 4: Simplify right side
    1,833,290,395.12x = 2,156,482,099,315,150,336
  5. Step 5: Solve for x
    x = 2,156,482,099,315,150,336/1,833,290,395.12
  6. Step 6: Final answer
    x = 1,176,290,512.98

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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.