Home / 1,509,844,725,175-2,083,585,641,057.80-815,385,216,134.61

Finding the Fourth Proportional to 1,509,844,725,175, 2,083,585,641,057.80 and 815,385,216,134.61

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Solution

The fourth proportional to 1,509,844,725,175, 2,083,585,641,057.80 and 815,385,216,134.61 is: 1,125,231,555,232.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,844,725,175 : 2,083,585,641,057.80 = 815,385,216,134.61 : x
  2. Step 2: Convert to fraction form
    1,509,844,725,175/2,083,585,641,057.80 = 815,385,216,134.61/x
  3. Step 3: Cross multiply
    1,509,844,725,175x = 2,083,585,641,057.80 × 815,385,216,134.61
  4. Step 4: Simplify right side
    1,509,844,725,175x = 1,698,924,928,268,884,317,831,168
  5. Step 5: Solve for x
    x = 1,698,924,928,268,884,317,831,168/1,509,844,725,175
  6. Step 6: Final answer
    x = 1,125,231,555,232.92

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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.