Home / 1,267,504,604.60-1,899,915,036.04-426,346,593.48

Finding the Fourth Proportional to 1,267,504,604.60, 1,899,915,036.04 and 426,346,593.48

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Solution

The fourth proportional to 1,267,504,604.60, 1,899,915,036.04 and 426,346,593.48 is: 639,068,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,504,604.60 : 1,899,915,036.04 = 426,346,593.48 : x
  2. Step 2: Convert to fraction form
    1,267,504,604.60/1,899,915,036.04 = 426,346,593.48/x
  3. Step 3: Cross multiply
    1,267,504,604.60x = 1,899,915,036.04 × 426,346,593.48
  4. Step 4: Simplify right side
    1,267,504,604.60x = 810,022,303,517,085,440
  5. Step 5: Solve for x
    x = 810,022,303,517,085,440/1,267,504,604.60
  6. Step 6: Final answer
    x = 639,068,529.28

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Double scale
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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.