Home / 472,393,090.80-708,589,636.20-469,523,309.40

Finding the Fourth Proportional to 472,393,090.80, 708,589,636.20 and 469,523,309.40

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Solution

The fourth proportional to 472,393,090.80, 708,589,636.20 and 469,523,309.40 is: 704,284,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,090.80 : 708,589,636.20 = 469,523,309.40 : x
  2. Step 2: Convert to fraction form
    472,393,090.80/708,589,636.20 = 469,523,309.40/x
  3. Step 3: Cross multiply
    472,393,090.80x = 708,589,636.20 × 469,523,309.40
  4. Step 4: Simplify right side
    472,393,090.80x = 332,699,350,995,166,016
  5. Step 5: Solve for x
    x = 332,699,350,995,166,016/472,393,090.80
  6. Step 6: Final answer
    x = 704,284,964.10

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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.