Home / 409,438,016.80-614,157,025.20-133,088,696.80

Finding the Fourth Proportional to 409,438,016.80, 614,157,025.20 and 133,088,696.80

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Solution

The fourth proportional to 409,438,016.80, 614,157,025.20 and 133,088,696.80 is: 199,633,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,438,016.80 : 614,157,025.20 = 133,088,696.80 : x
  2. Step 2: Convert to fraction form
    409,438,016.80/614,157,025.20 = 133,088,696.80/x
  3. Step 3: Cross multiply
    409,438,016.80x = 614,157,025.20 × 133,088,696.80
  4. Step 4: Simplify right side
    409,438,016.80x = 81,737,358,114,432,768
  5. Step 5: Solve for x
    x = 81,737,358,114,432,768/409,438,016.80
  6. Step 6: Final answer
    x = 199,633,045.20

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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.