Home / 842,770,800.61-1,163,015,138.10-466,428,119.07

Finding the Fourth Proportional to 842,770,800.61, 1,163,015,138.10 and 466,428,119.07

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Solution

The fourth proportional to 842,770,800.61, 1,163,015,138.10 and 466,428,119.07 is: 643,666,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,770,800.61 : 1,163,015,138.10 = 466,428,119.07 : x
  2. Step 2: Convert to fraction form
    842,770,800.61/1,163,015,138.10 = 466,428,119.07/x
  3. Step 3: Cross multiply
    842,770,800.61x = 1,163,015,138.10 × 466,428,119.07
  4. Step 4: Simplify right side
    842,770,800.61x = 542,462,963,313,919,232
  5. Step 5: Solve for x
    x = 542,462,963,313,919,232/842,770,800.61
  6. Step 6: Final answer
    x = 643,666,063.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.