Home / 435,309,468.57-652,318,495.66-319,729,022.69

Finding the Fourth Proportional to 435,309,468.57, 652,318,495.66 and 319,729,022.69

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Solution

The fourth proportional to 435,309,468.57, 652,318,495.66 and 319,729,022.69 is: 479,119,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,309,468.57 : 652,318,495.66 = 319,729,022.69 : x
  2. Step 2: Convert to fraction form
    435,309,468.57/652,318,495.66 = 319,729,022.69/x
  3. Step 3: Cross multiply
    435,309,468.57x = 652,318,495.66 × 319,729,022.69
  4. Step 4: Simplify right side
    435,309,468.57x = 208,565,155,097,117,664
  5. Step 5: Solve for x
    x = 208,565,155,097,117,664/435,309,468.57
  6. Step 6: Final answer
    x = 479,119,270.67

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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.