Home / 835,384,390.40-1,253,076,817.79-310,684,936.30

Finding the Fourth Proportional to 835,384,390.40, 1,253,076,817.79 and 310,684,936.30

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Solution

The fourth proportional to 835,384,390.40, 1,253,076,817.79 and 310,684,936.30 is: 466,027,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,384,390.40 : 1,253,076,817.79 = 310,684,936.30 : x
  2. Step 2: Convert to fraction form
    835,384,390.40/1,253,076,817.79 = 310,684,936.30/x
  3. Step 3: Cross multiply
    835,384,390.40x = 1,253,076,817.79 × 310,684,936.30
  4. Step 4: Simplify right side
    835,384,390.40x = 389,312,091,311,736,896
  5. Step 5: Solve for x
    x = 389,312,091,311,736,896/835,384,390.40
  6. Step 6: Final answer
    x = 466,027,490.80

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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.