Home / 545,135,066.20-817,404,000.90-221,653,466.20

Finding the Fourth Proportional to 545,135,066.20, 817,404,000.90 and 221,653,466.20

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Solution

The fourth proportional to 545,135,066.20, 817,404,000.90 and 221,653,466.20 is: 332,358,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,135,066.20 : 817,404,000.90 = 221,653,466.20 : x
  2. Step 2: Convert to fraction form
    545,135,066.20/817,404,000.90 = 221,653,466.20/x
  3. Step 3: Cross multiply
    545,135,066.20x = 817,404,000.90 × 221,653,466.20
  4. Step 4: Simplify right side
    545,135,066.20x = 181,180,430,085,232,896
  5. Step 5: Solve for x
    x = 181,180,430,085,232,896/545,135,066.20
  6. Step 6: Final answer
    x = 332,358,788.34

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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.