Home / 314,930,702.80-472,396,054.20-303,451,577.20

Finding the Fourth Proportional to 314,930,702.80, 472,396,054.20 and 303,451,577.20

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Solution

The fourth proportional to 314,930,702.80, 472,396,054.20 and 303,451,577.20 is: 455,177,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,702.80 : 472,396,054.20 = 303,451,577.20 : x
  2. Step 2: Convert to fraction form
    314,930,702.80/472,396,054.20 = 303,451,577.20/x
  3. Step 3: Cross multiply
    314,930,702.80x = 472,396,054.20 × 303,451,577.20
  4. Step 4: Simplify right side
    314,930,702.80x = 143,349,327,710,046,672
  5. Step 5: Solve for x
    x = 143,349,327,710,046,672/314,930,702.80
  6. Step 6: Final answer
    x = 455,177,365.80

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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.