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Finding the Fourth Proportional to 735,891,448.74, 1,015,687,358.28 and 422,798,298

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Solution

The fourth proportional to 735,891,448.74, 1,015,687,358.28 and 422,798,298 is: 583,551,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,891,448.74 : 1,015,687,358.28 = 422,798,298 : x
  2. Step 2: Convert to fraction form
    735,891,448.74/1,015,687,358.28 = 422,798,298/x
  3. Step 3: Cross multiply
    735,891,448.74x = 1,015,687,358.28 × 422,798,298
  4. Step 4: Simplify right side
    735,891,448.74x = 429,430,886,380,900,224
  5. Step 5: Solve for x
    x = 429,430,886,380,900,224/735,891,448.74
  6. Step 6: Final answer
    x = 583,551,945.22

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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.