Home / 806,078,481,097.30-1,209,287,535,055.40-261,484,455,722.35

Finding the Fourth Proportional to 806,078,481,097.30, 1,209,287,535,055.40 and 261,484,455,722.35

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Solution

The fourth proportional to 806,078,481,097.30, 1,209,287,535,055.40 and 261,484,455,722.35 is: 392,281,769,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,078,481,097.30 : 1,209,287,535,055.40 = 261,484,455,722.35 : x
  2. Step 2: Convert to fraction form
    806,078,481,097.30/1,209,287,535,055.40 = 261,484,455,722.35/x
  3. Step 3: Cross multiply
    806,078,481,097.30x = 1,209,287,535,055.40 × 261,484,455,722.35
  4. Step 4: Simplify right side
    806,078,481,097.30x = 316,209,892,915,783,500,038,144
  5. Step 5: Solve for x
    x = 316,209,892,915,783,500,038,144/806,078,481,097.30
  6. Step 6: Final answer
    x = 392,281,769,493.87

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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.