Home / 551,962,048.20-827,943,072.30-469,891,811.40

Finding the Fourth Proportional to 551,962,048.20, 827,943,072.30 and 469,891,811.40

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Solution

The fourth proportional to 551,962,048.20, 827,943,072.30 and 469,891,811.40 is: 704,837,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,962,048.20 : 827,943,072.30 = 469,891,811.40 : x
  2. Step 2: Convert to fraction form
    551,962,048.20/827,943,072.30 = 469,891,811.40/x
  3. Step 3: Cross multiply
    551,962,048.20x = 827,943,072.30 × 469,891,811.40
  4. Step 4: Simplify right side
    551,962,048.20x = 389,043,669,979,128,128
  5. Step 5: Solve for x
    x = 389,043,669,979,128,128/551,962,048.20
  6. Step 6: Final answer
    x = 704,837,717.10

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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.