Home / 1,076,760,150.88-1,614,493,387.32-420,930,068.80

Finding the Fourth Proportional to 1,076,760,150.88, 1,614,493,387.32 and 420,930,068.80

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Solution

The fourth proportional to 1,076,760,150.88, 1,614,493,387.32 and 420,930,068.80 is: 631,142,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,760,150.88 : 1,614,493,387.32 = 420,930,068.80 : x
  2. Step 2: Convert to fraction form
    1,076,760,150.88/1,614,493,387.32 = 420,930,068.80/x
  3. Step 3: Cross multiply
    1,076,760,150.88x = 1,614,493,387.32 × 420,930,068.80
  4. Step 4: Simplify right side
    1,076,760,150.88x = 679,588,812,601,752,576
  5. Step 5: Solve for x
    x = 679,588,812,601,752,576/1,076,760,150.88
  6. Step 6: Final answer
    x = 631,142,239.10

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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.