Home / 842,770,800.51-1,163,015,138.01-466,428,118.97

Finding the Fourth Proportional to 842,770,800.51, 1,163,015,138.01 and 466,428,118.97

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Solution

The fourth proportional to 842,770,800.51, 1,163,015,138.01 and 466,428,118.97 is: 643,666,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,770,800.51 : 1,163,015,138.01 = 466,428,118.97 : x
  2. Step 2: Convert to fraction form
    842,770,800.51/1,163,015,138.01 = 466,428,118.97/x
  3. Step 3: Cross multiply
    842,770,800.51x = 1,163,015,138.01 × 466,428,118.97
  4. Step 4: Simplify right side
    842,770,800.51x = 542,462,963,147,492,032
  5. Step 5: Solve for x
    x = 542,462,963,147,492,032/842,770,800.51
  6. Step 6: Final answer
    x = 643,666,062.97

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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.