Home / 266,983,926.80-400,475,890.20-248,277,203.60

Finding the Fourth Proportional to 266,983,926.80, 400,475,890.20 and 248,277,203.60

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Solution

The fourth proportional to 266,983,926.80, 400,475,890.20 and 248,277,203.60 is: 372,415,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,983,926.80 : 400,475,890.20 = 248,277,203.60 : x
  2. Step 2: Convert to fraction form
    266,983,926.80/400,475,890.20 = 248,277,203.60/x
  3. Step 3: Cross multiply
    266,983,926.80x = 400,475,890.20 × 248,277,203.60
  4. Step 4: Simplify right side
    266,983,926.80x = 99,429,034,128,076,640
  5. Step 5: Solve for x
    x = 99,429,034,128,076,640/266,983,926.80
  6. Step 6: Final answer
    x = 372,415,805.40

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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.