Home / 438,444,863.81-605,053,821.71-240,213,390.29

Finding the Fourth Proportional to 438,444,863.81, 605,053,821.71 and 240,213,390.29

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Solution

The fourth proportional to 438,444,863.81, 605,053,821.71 and 240,213,390.29 is: 331,494,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,444,863.81 : 605,053,821.71 = 240,213,390.29 : x
  2. Step 2: Convert to fraction form
    438,444,863.81/605,053,821.71 = 240,213,390.29/x
  3. Step 3: Cross multiply
    438,444,863.81x = 605,053,821.71 × 240,213,390.29
  4. Step 4: Simplify right side
    438,444,863.81x = 145,342,029,819,679,232
  5. Step 5: Solve for x
    x = 145,342,029,819,679,232/438,444,863.81
  6. Step 6: Final answer
    x = 331,494,429.10

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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.