Home / 653,315,398.82-980,116,589.94-193,217,698.34

Finding the Fourth Proportional to 653,315,398.82, 980,116,589.94 and 193,217,698.34

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Solution

The fourth proportional to 653,315,398.82, 980,116,589.94 and 193,217,698.34 is: 289,868,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,315,398.82 : 980,116,589.94 = 193,217,698.34 : x
  2. Step 2: Convert to fraction form
    653,315,398.82/980,116,589.94 = 193,217,698.34/x
  3. Step 3: Cross multiply
    653,315,398.82x = 980,116,589.94 × 193,217,698.34
  4. Step 4: Simplify right side
    653,315,398.82x = 189,375,871,613,056,416
  5. Step 5: Solve for x
    x = 189,375,871,613,056,416/653,315,398.82
  6. Step 6: Final answer
    x = 289,868,985.11

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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.