Home / 533,559,986.90-800,339,980.35-442,860,722.90

Finding the Fourth Proportional to 533,559,986.90, 800,339,980.35 and 442,860,722.90

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Solution

The fourth proportional to 533,559,986.90, 800,339,980.35 and 442,860,722.90 is: 664,291,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,559,986.90 : 800,339,980.35 = 442,860,722.90 : x
  2. Step 2: Convert to fraction form
    533,559,986.90/800,339,980.35 = 442,860,722.90/x
  3. Step 3: Cross multiply
    533,559,986.90x = 800,339,980.35 × 442,860,722.90
  4. Step 4: Simplify right side
    533,559,986.90x = 354,439,142,263,572,800
  5. Step 5: Solve for x
    x = 354,439,142,263,572,800/533,559,986.90
  6. Step 6: Final answer
    x = 664,291,084.35

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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.