Home / 641,591,091-885,243,938.52-363,132,614.52

Finding the Fourth Proportional to 641,591,091, 885,243,938.52 and 363,132,614.52

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Solution

The fourth proportional to 641,591,091, 885,243,938.52 and 363,132,614.52 is: 501,037,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,591,091 : 885,243,938.52 = 363,132,614.52 : x
  2. Step 2: Convert to fraction form
    641,591,091/885,243,938.52 = 363,132,614.52/x
  3. Step 3: Cross multiply
    641,591,091x = 885,243,938.52 × 363,132,614.52
  4. Step 4: Simplify right side
    641,591,091x = 321,460,945,882,749,696
  5. Step 5: Solve for x
    x = 321,460,945,882,749,696/641,591,091
  6. Step 6: Final answer
    x = 501,037,109.76

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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.