Home / 533,559,972.40-800,339,958.60-442,860,708.40

Finding the Fourth Proportional to 533,559,972.40, 800,339,958.60 and 442,860,708.40

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Solution

The fourth proportional to 533,559,972.40, 800,339,958.60 and 442,860,708.40 is: 664,291,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,559,972.40 : 800,339,958.60 = 442,860,708.40 : x
  2. Step 2: Convert to fraction form
    533,559,972.40/800,339,958.60 = 442,860,708.40/x
  3. Step 3: Cross multiply
    533,559,972.40x = 800,339,958.60 × 442,860,708.40
  4. Step 4: Simplify right side
    533,559,972.40x = 354,439,121,026,422,656
  5. Step 5: Solve for x
    x = 354,439,121,026,422,656/533,559,972.40
  6. Step 6: Final answer
    x = 664,291,062.60

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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.