Home / 865,380,504.90-1,194,226,146.48-468,903,187.80

Finding the Fourth Proportional to 865,380,504.90, 1,194,226,146.48 and 468,903,187.80

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Solution

The fourth proportional to 865,380,504.90, 1,194,226,146.48 and 468,903,187.80 is: 647,086,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,380,504.90 : 1,194,226,146.48 = 468,903,187.80 : x
  2. Step 2: Convert to fraction form
    865,380,504.90/1,194,226,146.48 = 468,903,187.80/x
  3. Step 3: Cross multiply
    865,380,504.90x = 1,194,226,146.48 × 468,903,187.80
  4. Step 4: Simplify right side
    865,380,504.90x = 559,976,447,038,581,760
  5. Step 5: Solve for x
    x = 559,976,447,038,581,760/865,380,504.90
  6. Step 6: Final answer
    x = 647,086,967.95

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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.