Home / 438,444,870.06-605,053,830.33-240,213,396.54

Finding the Fourth Proportional to 438,444,870.06, 605,053,830.33 and 240,213,396.54

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Solution

The fourth proportional to 438,444,870.06, 605,053,830.33 and 240,213,396.54 is: 331,494,437.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,444,870.06 : 605,053,830.33 = 240,213,396.54 : x
  2. Step 2: Convert to fraction form
    438,444,870.06/605,053,830.33 = 240,213,396.54/x
  3. Step 3: Cross multiply
    438,444,870.06x = 605,053,830.33 × 240,213,396.54
  4. Step 4: Simplify right side
    438,444,870.06x = 145,342,035,673,106,176
  5. Step 5: Solve for x
    x = 145,342,035,673,106,176/438,444,870.06
  6. Step 6: Final answer
    x = 331,494,437.72

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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.