Home / 653,534,867.68-980,494,634.37-210,869,243.19

Finding the Fourth Proportional to 653,534,867.68, 980,494,634.37 and 210,869,243.19

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Solution

The fourth proportional to 653,534,867.68, 980,494,634.37 and 210,869,243.19 is: 316,365,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,534,867.68 : 980,494,634.37 = 210,869,243.19 : x
  2. Step 2: Convert to fraction form
    653,534,867.68/980,494,634.37 = 210,869,243.19/x
  3. Step 3: Cross multiply
    653,534,867.68x = 980,494,634.37 × 210,869,243.19
  4. Step 4: Simplify right side
    653,534,867.68x = 206,756,161,501,457,664
  5. Step 5: Solve for x
    x = 206,756,161,501,457,664/653,534,867.68
  6. Step 6: Final answer
    x = 316,365,922.81

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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.