Home / 808,982,939.50-1,116,078,796.58-469,833,679.40

Finding the Fourth Proportional to 808,982,939.50, 1,116,078,796.58 and 469,833,679.40

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Solution

The fourth proportional to 808,982,939.50, 1,116,078,796.58 and 469,833,679.40 is: 648,185,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,982,939.50 : 1,116,078,796.58 = 469,833,679.40 : x
  2. Step 2: Convert to fraction form
    808,982,939.50/1,116,078,796.58 = 469,833,679.40/x
  3. Step 3: Cross multiply
    808,982,939.50x = 1,116,078,796.58 × 469,833,679.40
  4. Step 4: Simplify right side
    808,982,939.50x = 524,371,407,489,576,000
  5. Step 5: Solve for x
    x = 524,371,407,489,576,000/808,982,939.50
  6. Step 6: Final answer
    x = 648,185,989.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.