Home / 7,200,843,480.02-9,936,948,273.31-3,985,885,249.66

Finding the Fourth Proportional to 7,200,843,480.02, 9,936,948,273.31 and 3,985,885,249.66

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Solution

The fourth proportional to 7,200,843,480.02, 9,936,948,273.31 and 3,985,885,249.66 is: 5,500,402,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,843,480.02 : 9,936,948,273.31 = 3,985,885,249.66 : x
  2. Step 2: Convert to fraction form
    7,200,843,480.02/9,936,948,273.31 = 3,985,885,249.66/x
  3. Step 3: Cross multiply
    7,200,843,480.02x = 9,936,948,273.31 × 3,985,885,249.66
  4. Step 4: Simplify right side
    7,200,843,480.02x = 39,607,535,549,171,048,448
  5. Step 5: Solve for x
    x = 39,607,535,549,171,048,448/7,200,843,480.02
  6. Step 6: Final answer
    x = 5,500,402,231.92

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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.