Home / 520,661,509.56-718,334,917.38-297,483,058.44

Finding the Fourth Proportional to 520,661,509.56, 718,334,917.38 and 297,483,058.44

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Solution

The fourth proportional to 520,661,509.56, 718,334,917.38 and 297,483,058.44 is: 410,424,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,661,509.56 : 718,334,917.38 = 297,483,058.44 : x
  2. Step 2: Convert to fraction form
    520,661,509.56/718,334,917.38 = 297,483,058.44/x
  3. Step 3: Cross multiply
    520,661,509.56x = 718,334,917.38 × 297,483,058.44
  4. Step 4: Simplify right side
    520,661,509.56x = 213,692,468,206,447,104
  5. Step 5: Solve for x
    x = 213,692,468,206,447,104/520,661,509.56
  6. Step 6: Final answer
    x = 410,424,938.82

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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.