Home / 817,751,513.70-1,226,627,270.55-495,265,241.70

Finding the Fourth Proportional to 817,751,513.70, 1,226,627,270.55 and 495,265,241.70

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Solution

The fourth proportional to 817,751,513.70, 1,226,627,270.55 and 495,265,241.70 is: 742,897,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,751,513.70 : 1,226,627,270.55 = 495,265,241.70 : x
  2. Step 2: Convert to fraction form
    817,751,513.70/1,226,627,270.55 = 495,265,241.70/x
  3. Step 3: Cross multiply
    817,751,513.70x = 1,226,627,270.55 × 495,265,241.70
  4. Step 4: Simplify right side
    817,751,513.70x = 607,505,851,624,756,992
  5. Step 5: Solve for x
    x = 607,505,851,624,756,992/817,751,513.70
  6. Step 6: Final answer
    x = 742,897,862.55

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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.