Home / 441,344,021.40-662,016,032.10-393,726,907.80

Finding the Fourth Proportional to 441,344,021.40, 662,016,032.10 and 393,726,907.80

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Solution

The fourth proportional to 441,344,021.40, 662,016,032.10 and 393,726,907.80 is: 590,590,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,344,021.40 : 662,016,032.10 = 393,726,907.80 : x
  2. Step 2: Convert to fraction form
    441,344,021.40/662,016,032.10 = 393,726,907.80/x
  3. Step 3: Cross multiply
    441,344,021.40x = 662,016,032.10 × 393,726,907.80
  4. Step 4: Simplify right side
    441,344,021.40x = 260,653,525,232,758,560
  5. Step 5: Solve for x
    x = 260,653,525,232,758,560/441,344,021.40
  6. Step 6: Final answer
    x = 590,590,361.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.