Home / 806,078,481,101.20-1,209,287,535,061.30-261,484,455,726.30

Finding the Fourth Proportional to 806,078,481,101.20, 1,209,287,535,061.30 and 261,484,455,726.30

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Solution

The fourth proportional to 806,078,481,101.20, 1,209,287,535,061.30 and 261,484,455,726.30 is: 392,281,769,499.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,078,481,101.20 : 1,209,287,535,061.30 = 261,484,455,726.30 : x
  2. Step 2: Convert to fraction form
    806,078,481,101.20/1,209,287,535,061.30 = 261,484,455,726.30/x
  3. Step 3: Cross multiply
    806,078,481,101.20x = 1,209,287,535,061.30 × 261,484,455,726.30
  4. Step 4: Simplify right side
    806,078,481,101.20x = 316,209,892,922,102,940,434,432
  5. Step 5: Solve for x
    x = 316,209,892,922,102,940,434,432/806,078,481,101.20
  6. Step 6: Final answer
    x = 392,281,769,499.82

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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.