Home / 545,395,390.40-818,093,085.60-272,667,742.40

Finding the Fourth Proportional to 545,395,390.40, 818,093,085.60 and 272,667,742.40

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Solution

The fourth proportional to 545,395,390.40, 818,093,085.60 and 272,667,742.40 is: 409,001,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,395,390.40 : 818,093,085.60 = 272,667,742.40 : x
  2. Step 2: Convert to fraction form
    545,395,390.40/818,093,085.60 = 272,667,742.40/x
  3. Step 3: Cross multiply
    545,395,390.40x = 818,093,085.60 × 272,667,742.40
  4. Step 4: Simplify right side
    545,395,390.40x = 223,067,594,723,601,952
  5. Step 5: Solve for x
    x = 223,067,594,723,601,952/545,395,390.40
  6. Step 6: Final answer
    x = 409,001,613.60

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1.5x scale

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.