Home / 528,696,552.96-729,620,933.42-317,037,843.68

Finding the Fourth Proportional to 528,696,552.96, 729,620,933.42 and 317,037,843.68

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Solution

The fourth proportional to 528,696,552.96, 729,620,933.42 and 317,037,843.68 is: 437,524,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,696,552.96 : 729,620,933.42 = 317,037,843.68 : x
  2. Step 2: Convert to fraction form
    528,696,552.96/729,620,933.42 = 317,037,843.68/x
  3. Step 3: Cross multiply
    528,696,552.96x = 729,620,933.42 × 317,037,843.68
  4. Step 4: Simplify right side
    528,696,552.96x = 231,317,447,432,410,144
  5. Step 5: Solve for x
    x = 231,317,447,432,410,144/528,696,552.96
  6. Step 6: Final answer
    x = 437,524,031.77

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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.