Home / 651,191,872.80-976,787,809.20-166,517,680.80

Finding the Fourth Proportional to 651,191,872.80, 976,787,809.20 and 166,517,680.80

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Solution

The fourth proportional to 651,191,872.80, 976,787,809.20 and 166,517,680.80 is: 249,776,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,191,872.80 : 976,787,809.20 = 166,517,680.80 : x
  2. Step 2: Convert to fraction form
    651,191,872.80/976,787,809.20 = 166,517,680.80/x
  3. Step 3: Cross multiply
    651,191,872.80x = 976,787,809.20 × 166,517,680.80
  4. Step 4: Simplify right side
    651,191,872.80x = 162,652,440,621,696,928
  5. Step 5: Solve for x
    x = 162,652,440,621,696,928/651,191,872.80
  6. Step 6: Final answer
    x = 249,776,521.20

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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.