Home / 314,930,418.80-472,395,628.20-303,451,293.20

Finding the Fourth Proportional to 314,930,418.80, 472,395,628.20 and 303,451,293.20

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Solution

The fourth proportional to 314,930,418.80, 472,395,628.20 and 303,451,293.20 is: 455,176,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,418.80 : 472,395,628.20 = 303,451,293.20 : x
  2. Step 2: Convert to fraction form
    314,930,418.80/472,395,628.20 = 303,451,293.20/x
  3. Step 3: Cross multiply
    314,930,418.80x = 472,395,628.20 × 303,451,293.20
  4. Step 4: Simplify right side
    314,930,418.80x = 143,349,064,279,316,384
  5. Step 5: Solve for x
    x = 143,349,064,279,316,384/314,930,418.80
  6. Step 6: Final answer
    x = 455,176,939.80

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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.