Home / 547,286,296.60-819,784,817.70-256,401,688.60

Finding the Fourth Proportional to 547,286,296.60, 819,784,817.70 and 256,401,688.60

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Solution

The fourth proportional to 547,286,296.60, 819,784,817.70 and 256,401,688.60 is: 384,066,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,286,296.60 : 819,784,817.70 = 256,401,688.60 : x
  2. Step 2: Convert to fraction form
    547,286,296.60/819,784,817.70 = 256,401,688.60/x
  3. Step 3: Cross multiply
    547,286,296.60x = 819,784,817.70 × 256,401,688.60
  4. Step 4: Simplify right side
    547,286,296.60x = 210,194,211,546,923,168
  5. Step 5: Solve for x
    x = 210,194,211,546,923,168/547,286,296.60
  6. Step 6: Final answer
    x = 384,066,279.12

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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.