Home / 643,862,450.04-888,722,863.60-376,010,534.40

Finding the Fourth Proportional to 643,862,450.04, 888,722,863.60 and 376,010,534.40

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Solution

The fourth proportional to 643,862,450.04, 888,722,863.60 and 376,010,534.40 is: 519,007,062.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,862,450.04 : 888,722,863.60 = 376,010,534.40 : x
  2. Step 2: Convert to fraction form
    643,862,450.04/888,722,863.60 = 376,010,534.40/x
  3. Step 3: Cross multiply
    643,862,450.04x = 888,722,863.60 × 376,010,534.40
  4. Step 4: Simplify right side
    643,862,450.04x = 334,169,158,875,734,272
  5. Step 5: Solve for x
    x = 334,169,158,875,734,272/643,862,450.04
  6. Step 6: Final answer
    x = 519,007,062.54

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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.