Home / 1,520,720,658.98-2,282,040,534.72-647,320,601.42

Finding the Fourth Proportional to 1,520,720,658.98, 2,282,040,534.72 and 647,320,601.42

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Solution

The fourth proportional to 1,520,720,658.98, 2,282,040,534.72 and 647,320,601.42 is: 971,389,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,720,658.98 : 2,282,040,534.72 = 647,320,601.42 : x
  2. Step 2: Convert to fraction form
    1,520,720,658.98/2,282,040,534.72 = 647,320,601.42/x
  3. Step 3: Cross multiply
    1,520,720,658.98x = 2,282,040,534.72 × 647,320,601.42
  4. Step 4: Simplify right side
    1,520,720,658.98x = 1,477,211,851,399,768,576
  5. Step 5: Solve for x
    x = 1,477,211,851,399,768,576/1,520,720,658.98
  6. Step 6: Final answer
    x = 971,389,349.30

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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.