Home / 314,930,426.80-472,395,640.20-303,451,301.20

Finding the Fourth Proportional to 314,930,426.80, 472,395,640.20 and 303,451,301.20

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Solution

The fourth proportional to 314,930,426.80, 472,395,640.20 and 303,451,301.20 is: 455,176,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,426.80 : 472,395,640.20 = 303,451,301.20 : x
  2. Step 2: Convert to fraction form
    314,930,426.80/472,395,640.20 = 303,451,301.20/x
  3. Step 3: Cross multiply
    314,930,426.80x = 472,395,640.20 × 303,451,301.20
  4. Step 4: Simplify right side
    314,930,426.80x = 143,349,071,699,897,024
  5. Step 5: Solve for x
    x = 143,349,071,699,897,024/314,930,426.80
  6. Step 6: Final answer
    x = 455,176,951.80

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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.