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Finding the Fourth Proportional to 541,209,808.20, 811,814,712.30 and 541,209,808.20

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Solution

The fourth proportional to 541,209,808.20, 811,814,712.30 and 541,209,808.20 is: 811,814,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,209,808.20 : 811,814,712.30 = 541,209,808.20 : x
  2. Step 2: Convert to fraction form
    541,209,808.20/811,814,712.30 = 541,209,808.20/x
  3. Step 3: Cross multiply
    541,209,808.20x = 811,814,712.30 × 541,209,808.20
  4. Step 4: Simplify right side
    541,209,808.20x = 439,362,084,737,821,184
  5. Step 5: Solve for x
    x = 439,362,084,737,821,184/541,209,808.20
  6. Step 6: Final answer
    x = 811,814,712.30

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Similar ratio
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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.