Home / 314,928,702.80-472,393,054.20-274,617,918.80

Finding the Fourth Proportional to 314,928,702.80, 472,393,054.20 and 274,617,918.80

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Solution

The fourth proportional to 314,928,702.80, 472,393,054.20 and 274,617,918.80 is: 411,926,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,702.80 : 472,393,054.20 = 274,617,918.80 : x
  2. Step 2: Convert to fraction form
    314,928,702.80/472,393,054.20 = 274,617,918.80/x
  3. Step 3: Cross multiply
    314,928,702.80x = 472,393,054.20 × 274,617,918.80
  4. Step 4: Simplify right side
    314,928,702.80x = 129,727,597,399,979,600
  5. Step 5: Solve for x
    x = 129,727,597,399,979,600/314,928,702.80
  6. Step 6: Final answer
    x = 411,926,878.20

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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.