Home / 3,657,101,968.46-5,046,714,878.54-2,151,825,815.18

Finding the Fourth Proportional to 3,657,101,968.46, 5,046,714,878.54 and 2,151,825,815.18

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Solution

The fourth proportional to 3,657,101,968.46, 5,046,714,878.54 and 2,151,825,815.18 is: 2,969,469,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657,101,968.46 : 5,046,714,878.54 = 2,151,825,815.18 : x
  2. Step 2: Convert to fraction form
    3,657,101,968.46/5,046,714,878.54 = 2,151,825,815.18/x
  3. Step 3: Cross multiply
    3,657,101,968.46x = 5,046,714,878.54 × 2,151,825,815.18
  4. Step 4: Simplify right side
    3,657,101,968.46x = 10,859,651,357,495,369,728
  5. Step 5: Solve for x
    x = 10,859,651,357,495,369,728/3,657,101,968.46
  6. Step 6: Final answer
    x = 2,969,469,118.21

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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.