Home / 1,994,280,392.74-2,752,448,685.42-1,159,389,238.96

Finding the Fourth Proportional to 1,994,280,392.74, 2,752,448,685.42 and 1,159,389,238.96

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Solution

The fourth proportional to 1,994,280,392.74, 2,752,448,685.42 and 1,159,389,238.96 is: 1,600,155,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,280,392.74 : 2,752,448,685.42 = 1,159,389,238.96 : x
  2. Step 2: Convert to fraction form
    1,994,280,392.74/2,752,448,685.42 = 1,159,389,238.96/x
  3. Step 3: Cross multiply
    1,994,280,392.74x = 2,752,448,685.42 × 1,159,389,238.96
  4. Step 4: Simplify right side
    1,994,280,392.74x = 3,191,159,386,665,546,240
  5. Step 5: Solve for x
    x = 3,191,159,386,665,546,240/1,994,280,392.74
  6. Step 6: Final answer
    x = 1,600,155,824.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.