Home / 834,069,745.20-1,251,104,617.80-769,572,490.80

Finding the Fourth Proportional to 834,069,745.20, 1,251,104,617.80 and 769,572,490.80

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Solution

The fourth proportional to 834,069,745.20, 1,251,104,617.80 and 769,572,490.80 is: 1,154,358,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,069,745.20 : 1,251,104,617.80 = 769,572,490.80 : x
  2. Step 2: Convert to fraction form
    834,069,745.20/1,251,104,617.80 = 769,572,490.80/x
  3. Step 3: Cross multiply
    834,069,745.20x = 1,251,104,617.80 × 769,572,490.80
  4. Step 4: Simplify right side
    834,069,745.20x = 962,815,696,971,727,872
  5. Step 5: Solve for x
    x = 962,815,696,971,727,872/834,069,745.20
  6. Step 6: Final answer
    x = 1,154,358,736.20

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1.5x scale

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.