Home / 1,101,156,276.80-1,651,734,415.20-611,380,251.20

Finding the Fourth Proportional to 1,101,156,276.80, 1,651,734,415.20 and 611,380,251.20

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Solution

The fourth proportional to 1,101,156,276.80, 1,651,734,415.20 and 611,380,251.20 is: 917,070,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,156,276.80 : 1,651,734,415.20 = 611,380,251.20 : x
  2. Step 2: Convert to fraction form
    1,101,156,276.80/1,651,734,415.20 = 611,380,251.20/x
  3. Step 3: Cross multiply
    1,101,156,276.80x = 1,651,734,415.20 × 611,380,251.20
  4. Step 4: Simplify right side
    1,101,156,276.80x = 1,009,837,801,680,661,248
  5. Step 5: Solve for x
    x = 1,009,837,801,680,661,248/1,101,156,276.80
  6. Step 6: Final answer
    x = 917,070,376.80

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Double scale
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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.