Home / 489,942,642.80-734,913,964.20-444,593,010.80

Finding the Fourth Proportional to 489,942,642.80, 734,913,964.20 and 444,593,010.80

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Solution

The fourth proportional to 489,942,642.80, 734,913,964.20 and 444,593,010.80 is: 666,889,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,942,642.80 : 734,913,964.20 = 444,593,010.80 : x
  2. Step 2: Convert to fraction form
    489,942,642.80/734,913,964.20 = 444,593,010.80/x
  3. Step 3: Cross multiply
    489,942,642.80x = 734,913,964.20 × 444,593,010.80
  4. Step 4: Simplify right side
    489,942,642.80x = 326,737,612,022,641,472
  5. Step 5: Solve for x
    x = 326,737,612,022,641,472/489,942,642.80
  6. Step 6: Final answer
    x = 666,889,516.20

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1.5x scale

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.