Home / 630,189,640.53-869,662,907.64-347,932,627.65

Finding the Fourth Proportional to 630,189,640.53, 869,662,907.64 and 347,932,627.65

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Solution

The fourth proportional to 630,189,640.53, 869,662,907.64 and 347,932,627.65 is: 480,147,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,189,640.53 : 869,662,907.64 = 347,932,627.65 : x
  2. Step 2: Convert to fraction form
    630,189,640.53/869,662,907.64 = 347,932,627.65/x
  3. Step 3: Cross multiply
    630,189,640.53x = 869,662,907.64 × 347,932,627.65
  4. Step 4: Simplify right side
    630,189,640.53x = 302,584,100,624,924,416
  5. Step 5: Solve for x
    x = 302,584,100,624,924,416/630,189,640.53
  6. Step 6: Final answer
    x = 480,147,690.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.