Home / 453,438,257.60-680,157,386.40-223,855,745.60

Finding the Fourth Proportional to 453,438,257.60, 680,157,386.40 and 223,855,745.60

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Solution

The fourth proportional to 453,438,257.60, 680,157,386.40 and 223,855,745.60 is: 335,783,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,438,257.60 : 680,157,386.40 = 223,855,745.60 : x
  2. Step 2: Convert to fraction form
    453,438,257.60/680,157,386.40 = 223,855,745.60/x
  3. Step 3: Cross multiply
    453,438,257.60x = 680,157,386.40 × 223,855,745.60
  4. Step 4: Simplify right side
    453,438,257.60x = 152,257,138,857,919,296
  5. Step 5: Solve for x
    x = 152,257,138,857,919,296/453,438,257.60
  6. Step 6: Final answer
    x = 335,783,618.40

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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.