Home / 438,417,330.38-605,015,865.62-262,205,297.48

Finding the Fourth Proportional to 438,417,330.38, 605,015,865.62 and 262,205,297.48

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Solution

The fourth proportional to 438,417,330.38, 605,015,865.62 and 262,205,297.48 is: 361,843,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,417,330.38 : 605,015,865.62 = 262,205,297.48 : x
  2. Step 2: Convert to fraction form
    438,417,330.38/605,015,865.62 = 262,205,297.48/x
  3. Step 3: Cross multiply
    438,417,330.38x = 605,015,865.62 × 262,205,297.48
  4. Step 4: Simplify right side
    438,417,330.38x = 158,638,365,025,011,808
  5. Step 5: Solve for x
    x = 158,638,365,025,011,808/438,417,330.38
  6. Step 6: Final answer
    x = 361,843,280.44

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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.