Home / 509,467,871.70-702,630,055.02-350,950,978.82

Finding the Fourth Proportional to 509,467,871.70, 702,630,055.02 and 350,950,978.82

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Solution

The fourth proportional to 509,467,871.70, 702,630,055.02 and 350,950,978.82 is: 484,012,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,467,871.70 : 702,630,055.02 = 350,950,978.82 : x
  2. Step 2: Convert to fraction form
    509,467,871.70/702,630,055.02 = 350,950,978.82/x
  3. Step 3: Cross multiply
    509,467,871.70x = 702,630,055.02 × 350,950,978.82
  4. Step 4: Simplify right side
    509,467,871.70x = 246,588,705,554,106,304
  5. Step 5: Solve for x
    x = 246,588,705,554,106,304/509,467,871.70
  6. Step 6: Final answer
    x = 484,012,278.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.