Home / 653,430,266.55-980,145,399.83-309,056,498.55

Finding the Fourth Proportional to 653,430,266.55, 980,145,399.83 and 309,056,498.55

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Solution

The fourth proportional to 653,430,266.55, 980,145,399.83 and 309,056,498.55 is: 463,584,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,430,266.55 : 980,145,399.83 = 309,056,498.55 : x
  2. Step 2: Convert to fraction form
    653,430,266.55/980,145,399.83 = 309,056,498.55/x
  3. Step 3: Cross multiply
    653,430,266.55x = 980,145,399.83 × 309,056,498.55
  4. Step 4: Simplify right side
    653,430,266.55x = 302,920,305,339,804,288
  5. Step 5: Solve for x
    x = 302,920,305,339,804,288/653,430,266.55
  6. Step 6: Final answer
    x = 463,584,747.83

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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.