Home / 1,260,160,601.80-1,890,240,902.70-1,087,832,000.20

Finding the Fourth Proportional to 1,260,160,601.80, 1,890,240,902.70 and 1,087,832,000.20

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Solution

The fourth proportional to 1,260,160,601.80, 1,890,240,902.70 and 1,087,832,000.20 is: 1,631,748,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,160,601.80 : 1,890,240,902.70 = 1,087,832,000.20 : x
  2. Step 2: Convert to fraction form
    1,260,160,601.80/1,890,240,902.70 = 1,087,832,000.20/x
  3. Step 3: Cross multiply
    1,260,160,601.80x = 1,890,240,902.70 × 1,087,832,000.20
  4. Step 4: Simplify right side
    1,260,160,601.80x = 2,056,264,542,043,994,624
  5. Step 5: Solve for x
    x = 2,056,264,542,043,994,624/1,260,160,601.80
  6. Step 6: Final answer
    x = 1,631,748,000.30

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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.