Home / 806,078,481,099.70-1,209,287,535,059.10-261,484,455,724.80

Finding the Fourth Proportional to 806,078,481,099.70, 1,209,287,535,059.10 and 261,484,455,724.80

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Solution

The fourth proportional to 806,078,481,099.70, 1,209,287,535,059.10 and 261,484,455,724.80 is: 392,281,769,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,078,481,099.70 : 1,209,287,535,059.10 = 261,484,455,724.80 : x
  2. Step 2: Convert to fraction form
    806,078,481,099.70/1,209,287,535,059.10 = 261,484,455,724.80/x
  3. Step 3: Cross multiply
    806,078,481,099.70x = 1,209,287,535,059.10 × 261,484,455,724.80
  4. Step 4: Simplify right side
    806,078,481,099.70x = 316,209,892,919,713,797,767,168
  5. Step 5: Solve for x
    x = 316,209,892,919,713,797,767,168/806,078,481,099.70
  6. Step 6: Final answer
    x = 392,281,769,497.58

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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.