Home / 559,876,998.30-839,815,497.45-253,179,116.70

Finding the Fourth Proportional to 559,876,998.30, 839,815,497.45 and 253,179,116.70

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Solution

The fourth proportional to 559,876,998.30, 839,815,497.45 and 253,179,116.70 is: 379,768,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,876,998.30 : 839,815,497.45 = 253,179,116.70 : x
  2. Step 2: Convert to fraction form
    559,876,998.30/839,815,497.45 = 253,179,116.70/x
  3. Step 3: Cross multiply
    559,876,998.30x = 839,815,497.45 × 253,179,116.70
  4. Step 4: Simplify right side
    559,876,998.30x = 212,623,745,835,362,112
  5. Step 5: Solve for x
    x = 212,623,745,835,362,112/559,876,998.30
  6. Step 6: Final answer
    x = 379,768,675.05

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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.