Home / 545,730,780.40-818,596,170.60-273,003,132.40

Finding the Fourth Proportional to 545,730,780.40, 818,596,170.60 and 273,003,132.40

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Solution

The fourth proportional to 545,730,780.40, 818,596,170.60 and 273,003,132.40 is: 409,504,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,730,780.40 : 818,596,170.60 = 273,003,132.40 : x
  2. Step 2: Convert to fraction form
    545,730,780.40/818,596,170.60 = 273,003,132.40/x
  3. Step 3: Cross multiply
    545,730,780.40x = 818,596,170.60 × 273,003,132.40
  4. Step 4: Simplify right side
    545,730,780.40x = 223,479,318,744,444,768
  5. Step 5: Solve for x
    x = 223,479,318,744,444,768/545,730,780.40
  6. Step 6: Final answer
    x = 409,504,698.60

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Similar ratio
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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.