Home / 438,417,336.77-605,015,874.45-262,205,303.86

Finding the Fourth Proportional to 438,417,336.77, 605,015,874.45 and 262,205,303.86

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Solution

The fourth proportional to 438,417,336.77, 605,015,874.45 and 262,205,303.86 is: 361,843,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,417,336.77 : 605,015,874.45 = 262,205,303.86 : x
  2. Step 2: Convert to fraction form
    438,417,336.77/605,015,874.45 = 262,205,303.86/x
  3. Step 3: Cross multiply
    438,417,336.77x = 605,015,874.45 × 262,205,303.86
  4. Step 4: Simplify right side
    438,417,336.77x = 158,638,371,195,949,760
  5. Step 5: Solve for x
    x = 158,638,371,195,949,760/438,417,336.77
  6. Step 6: Final answer
    x = 361,843,289.24

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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.