Home / 346,960,014.21-478,800,355.44-198,279,429.95

Finding the Fourth Proportional to 346,960,014.21, 478,800,355.44 and 198,279,429.95

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Solution

The fourth proportional to 346,960,014.21, 478,800,355.44 and 198,279,429.95 is: 273,623,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,960,014.21 : 478,800,355.44 = 198,279,429.95 : x
  2. Step 2: Convert to fraction form
    346,960,014.21/478,800,355.44 = 198,279,429.95/x
  3. Step 3: Cross multiply
    346,960,014.21x = 478,800,355.44 × 198,279,429.95
  4. Step 4: Simplify right side
    346,960,014.21x = 94,936,261,534,106,576
  5. Step 5: Solve for x
    x = 94,936,261,534,106,576/346,960,014.21
  6. Step 6: Final answer
    x = 273,623,062.16

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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.