Home / 3,847,291,432.86-5,309,221,597.98-2,153,759,986.53

Finding the Fourth Proportional to 3,847,291,432.86, 5,309,221,597.98 and 2,153,759,986.53

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Solution

The fourth proportional to 3,847,291,432.86, 5,309,221,597.98 and 2,153,759,986.53 is: 2,972,166,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,291,432.86 : 5,309,221,597.98 = 2,153,759,986.53 : x
  2. Step 2: Convert to fraction form
    3,847,291,432.86/5,309,221,597.98 = 2,153,759,986.53/x
  3. Step 3: Cross multiply
    3,847,291,432.86x = 5,309,221,597.98 × 2,153,759,986.53
  4. Step 4: Simplify right side
    3,847,291,432.86x = 11,434,789,037,350,189,056
  5. Step 5: Solve for x
    x = 11,434,789,037,350,189,056/3,847,291,432.86
  6. Step 6: Final answer
    x = 2,972,166,064.59

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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.