Home / 483,869,987.60-725,804,981.40-120,364,343.60

Finding the Fourth Proportional to 483,869,987.60, 725,804,981.40 and 120,364,343.60

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Solution

The fourth proportional to 483,869,987.60, 725,804,981.40 and 120,364,343.60 is: 180,546,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,869,987.60 : 725,804,981.40 = 120,364,343.60 : x
  2. Step 2: Convert to fraction form
    483,869,987.60/725,804,981.40 = 120,364,343.60/x
  3. Step 3: Cross multiply
    483,869,987.60x = 725,804,981.40 × 120,364,343.60
  4. Step 4: Simplify right side
    483,869,987.60x = 87,361,040,167,821,200
  5. Step 5: Solve for x
    x = 87,361,040,167,821,200/483,869,987.60
  6. Step 6: Final answer
    x = 180,546,515.40

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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.