Home / 859,112,008.07-1,288,140,619.79-333,867,824.73

Finding the Fourth Proportional to 859,112,008.07, 1,288,140,619.79 and 333,867,824.73

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Solution

The fourth proportional to 859,112,008.07, 1,288,140,619.79 and 333,867,824.73 is: 500,596,782.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,112,008.07 : 1,288,140,619.79 = 333,867,824.73 : x
  2. Step 2: Convert to fraction form
    859,112,008.07/1,288,140,619.79 = 333,867,824.73/x
  3. Step 3: Cross multiply
    859,112,008.07x = 1,288,140,619.79 × 333,867,824.73
  4. Step 4: Simplify right side
    859,112,008.07x = 430,068,706,673,972,032
  5. Step 5: Solve for x
    x = 430,068,706,673,972,032/859,112,008.07
  6. Step 6: Final answer
    x = 500,596,782.07

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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.