Home / 817,751,500.20-1,226,627,250.30-495,265,228.20

Finding the Fourth Proportional to 817,751,500.20, 1,226,627,250.30 and 495,265,228.20

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Solution

The fourth proportional to 817,751,500.20, 1,226,627,250.30 and 495,265,228.20 is: 742,897,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,751,500.20 : 1,226,627,250.30 = 495,265,228.20 : x
  2. Step 2: Convert to fraction form
    817,751,500.20/1,226,627,250.30 = 495,265,228.20/x
  3. Step 3: Cross multiply
    817,751,500.20x = 1,226,627,250.30 × 495,265,228.20
  4. Step 4: Simplify right side
    817,751,500.20x = 607,505,825,036,167,936
  5. Step 5: Solve for x
    x = 607,505,825,036,167,936/817,751,500.20
  6. Step 6: Final answer
    x = 742,897,842.30

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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.