Home / 437,449,401.13-603,395,726.93-280,568,017.93

Finding the Fourth Proportional to 437,449,401.13, 603,395,726.93 and 280,568,017.93

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Solution

The fourth proportional to 437,449,401.13, 603,395,726.93 and 280,568,017.93 is: 387,001,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,449,401.13 : 603,395,726.93 = 280,568,017.93 : x
  2. Step 2: Convert to fraction form
    437,449,401.13/603,395,726.93 = 280,568,017.93/x
  3. Step 3: Cross multiply
    437,449,401.13x = 603,395,726.93 × 280,568,017.93
  4. Step 4: Simplify right side
    437,449,401.13x = 169,293,543,129,866,080
  5. Step 5: Solve for x
    x = 169,293,543,129,866,080/437,449,401.13
  6. Step 6: Final answer
    x = 387,001,428.50

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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.