Home / 551,962,021.20-827,943,031.80-469,891,784.40

Finding the Fourth Proportional to 551,962,021.20, 827,943,031.80 and 469,891,784.40

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Solution

The fourth proportional to 551,962,021.20, 827,943,031.80 and 469,891,784.40 is: 704,837,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,962,021.20 : 827,943,031.80 = 469,891,784.40 : x
  2. Step 2: Convert to fraction form
    551,962,021.20/827,943,031.80 = 469,891,784.40/x
  3. Step 3: Cross multiply
    551,962,021.20x = 827,943,031.80 × 469,891,784.40
  4. Step 4: Simplify right side
    551,962,021.20x = 389,043,628,594,047,872
  5. Step 5: Solve for x
    x = 389,043,628,594,047,872/551,962,021.20
  6. Step 6: Final answer
    x = 704,837,676.60

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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.