Home / 623,756,814.80-934,627,452.60-393,313,499.60

Finding the Fourth Proportional to 623,756,814.80, 934,627,452.60 and 393,313,499.60

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Solution

The fourth proportional to 623,756,814.80, 934,627,452.60 and 393,313,499.60 is: 589,334,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,756,814.80 : 934,627,452.60 = 393,313,499.60 : x
  2. Step 2: Convert to fraction form
    623,756,814.80/934,627,452.60 = 393,313,499.60/x
  3. Step 3: Cross multiply
    623,756,814.80x = 934,627,452.60 × 393,313,499.60
  4. Step 4: Simplify right side
    623,756,814.80x = 367,601,594,204,339,136
  5. Step 5: Solve for x
    x = 367,601,594,204,339,136/623,756,814.80
  6. Step 6: Final answer
    x = 589,334,794.40

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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.