Home / 1,332,068,653.20-1,994,276,604.60-815,508,001.20

Finding the Fourth Proportional to 1,332,068,653.20, 1,994,276,604.60 and 815,508,001.20

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Solution

The fourth proportional to 1,332,068,653.20, 1,994,276,604.60 and 815,508,001.20 is: 1,220,919,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,068,653.20 : 1,994,276,604.60 = 815,508,001.20 : x
  2. Step 2: Convert to fraction form
    1,332,068,653.20/1,994,276,604.60 = 815,508,001.20/x
  3. Step 3: Cross multiply
    1,332,068,653.20x = 1,994,276,604.60 × 815,508,001.20
  4. Step 4: Simplify right side
    1,332,068,653.20x = 1,626,348,527,657,268,736
  5. Step 5: Solve for x
    x = 1,626,348,527,657,268,736/1,332,068,653.20
  6. Step 6: Final answer
    x = 1,220,919,450.17

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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.