Home / 484,328,021.80-726,492,032.70-338,925,764.20

Finding the Fourth Proportional to 484,328,021.80, 726,492,032.70 and 338,925,764.20

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Solution

The fourth proportional to 484,328,021.80, 726,492,032.70 and 338,925,764.20 is: 508,388,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,328,021.80 : 726,492,032.70 = 338,925,764.20 : x
  2. Step 2: Convert to fraction form
    484,328,021.80/726,492,032.70 = 338,925,764.20/x
  3. Step 3: Cross multiply
    484,328,021.80x = 726,492,032.70 × 338,925,764.20
  4. Step 4: Simplify right side
    484,328,021.80x = 246,226,867,368,058,912
  5. Step 5: Solve for x
    x = 246,226,867,368,058,912/484,328,021.80
  6. Step 6: Final answer
    x = 508,388,646.30

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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.