Home / 619,875,197.70-855,428,648.22-337,618,746.96

Finding the Fourth Proportional to 619,875,197.70, 855,428,648.22 and 337,618,746.96

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Solution

The fourth proportional to 619,875,197.70, 855,428,648.22 and 337,618,746.96 is: 465,914,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,875,197.70 : 855,428,648.22 = 337,618,746.96 : x
  2. Step 2: Convert to fraction form
    619,875,197.70/855,428,648.22 = 337,618,746.96/x
  3. Step 3: Cross multiply
    619,875,197.70x = 855,428,648.22 × 337,618,746.96
  4. Step 4: Simplify right side
    619,875,197.70x = 288,808,748,325,723,008
  5. Step 5: Solve for x
    x = 288,808,748,325,723,008/619,875,197.70
  6. Step 6: Final answer
    x = 465,914,347.59

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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.