Home / 319,911,440.17-441,477,679.86-173,233,724.17

Finding the Fourth Proportional to 319,911,440.17, 441,477,679.86 and 173,233,724.17

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Solution

The fourth proportional to 319,911,440.17, 441,477,679.86 and 173,233,724.17 is: 239,062,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,911,440.17 : 441,477,679.86 = 173,233,724.17 : x
  2. Step 2: Convert to fraction form
    319,911,440.17/441,477,679.86 = 173,233,724.17/x
  3. Step 3: Cross multiply
    319,911,440.17x = 441,477,679.86 × 173,233,724.17
  4. Step 4: Simplify right side
    319,911,440.17x = 76,478,822,620,078,800
  5. Step 5: Solve for x
    x = 76,478,822,620,078,800/319,911,440.17
  6. Step 6: Final answer
    x = 239,062,481.10

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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.