Home / 509,467,871.19-702,630,054.33-350,950,978.32

Finding the Fourth Proportional to 509,467,871.19, 702,630,054.33 and 350,950,978.32

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Solution

The fourth proportional to 509,467,871.19, 702,630,054.33 and 350,950,978.32 is: 484,012,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,467,871.19 : 702,630,054.33 = 350,950,978.32 : x
  2. Step 2: Convert to fraction form
    509,467,871.19/702,630,054.33 = 350,950,978.32/x
  3. Step 3: Cross multiply
    509,467,871.19x = 702,630,054.33 × 350,950,978.32
  4. Step 4: Simplify right side
    509,467,871.19x = 246,588,704,964,148,256
  5. Step 5: Solve for x
    x = 246,588,704,964,148,256/509,467,871.19
  6. Step 6: Final answer
    x = 484,012,278.12

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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.