Home / 643,862,452.02-888,722,866.38-376,010,536.38

Finding the Fourth Proportional to 643,862,452.02, 888,722,866.38 and 376,010,536.38

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Solution

The fourth proportional to 643,862,452.02, 888,722,866.38 and 376,010,536.38 is: 519,007,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,862,452.02 : 888,722,866.38 = 376,010,536.38 : x
  2. Step 2: Convert to fraction form
    643,862,452.02/888,722,866.38 = 376,010,536.38/x
  3. Step 3: Cross multiply
    643,862,452.02x = 888,722,866.38 × 376,010,536.38
  4. Step 4: Simplify right side
    643,862,452.02x = 334,169,161,680,714,880
  5. Step 5: Solve for x
    x = 334,169,161,680,714,880/643,862,452.02
  6. Step 6: Final answer
    x = 519,007,065.30

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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.