Home / 920,296,542.53-1,270,040,565.41-544,275,462.98

Finding the Fourth Proportional to 920,296,542.53, 1,270,040,565.41 and 544,275,462.98

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Solution

The fourth proportional to 920,296,542.53, 1,270,040,565.41 and 544,275,462.98 is: 751,118,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,296,542.53 : 1,270,040,565.41 = 544,275,462.98 : x
  2. Step 2: Convert to fraction form
    920,296,542.53/1,270,040,565.41 = 544,275,462.98/x
  3. Step 3: Cross multiply
    920,296,542.53x = 1,270,040,565.41 × 544,275,462.98
  4. Step 4: Simplify right side
    920,296,542.53x = 691,251,916,732,837,120
  5. Step 5: Solve for x
    x = 691,251,916,732,837,120/920,296,542.53
  6. Step 6: Final answer
    x = 751,118,671.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.