Home / 438,417,347.58-605,015,889.21-262,205,314.65

Finding the Fourth Proportional to 438,417,347.58, 605,015,889.21 and 262,205,314.65

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Solution

The fourth proportional to 438,417,347.58, 605,015,889.21 and 262,205,314.65 is: 361,843,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,417,347.58 : 605,015,889.21 = 262,205,314.65 : x
  2. Step 2: Convert to fraction form
    438,417,347.58/605,015,889.21 = 262,205,314.65/x
  3. Step 3: Cross multiply
    438,417,347.58x = 605,015,889.21 × 262,205,314.65
  4. Step 4: Simplify right side
    438,417,347.58x = 158,638,381,598,557,600
  5. Step 5: Solve for x
    x = 158,638,381,598,557,600/438,417,347.58
  6. Step 6: Final answer
    x = 361,843,304.04

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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.