Home / 664,994,468,105.80-997,390,916,307.69-180,986,405,179.78

Finding the Fourth Proportional to 664,994,468,105.80, 997,390,916,307.69 and 180,986,405,179.78

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Solution

The fourth proportional to 664,994,468,105.80, 997,390,916,307.69 and 180,986,405,179.78 is: 271,452,177,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,994,468,105.80 : 997,390,916,307.69 = 180,986,405,179.78 : x
  2. Step 2: Convert to fraction form
    664,994,468,105.80/997,390,916,307.69 = 180,986,405,179.78/x
  3. Step 3: Cross multiply
    664,994,468,105.80x = 997,390,916,307.69 × 180,986,405,179.78
  4. Step 4: Simplify right side
    664,994,468,105.80x = 180,514,196,501,495,627,644,928
  5. Step 5: Solve for x
    x = 180,514,196,501,495,627,644,928/664,994,468,105.80
  6. Step 6: Final answer
    x = 271,452,177,663.49

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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.