Home / 274,512,928.32-411,643,823.04-163,898,809.92

Finding the Fourth Proportional to 274,512,928.32, 411,643,823.04 and 163,898,809.92

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Solution

The fourth proportional to 274,512,928.32, 411,643,823.04 and 163,898,809.92 is: 245,773,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,512,928.32 : 411,643,823.04 = 163,898,809.92 : x
  2. Step 2: Convert to fraction form
    274,512,928.32/411,643,823.04 = 163,898,809.92/x
  3. Step 3: Cross multiply
    274,512,928.32x = 411,643,823.04 × 163,898,809.92
  4. Step 4: Simplify right side
    274,512,928.32x = 67,467,932,707,175,072
  5. Step 5: Solve for x
    x = 67,467,932,707,175,072/274,512,928.32
  6. Step 6: Final answer
    x = 245,773,243.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.