Home / 479,260,425,503.80-661,400,177,167.14-265,404,315,575.72

Finding the Fourth Proportional to 479,260,425,503.80, 661,400,177,167.14 and 265,404,315,575.72

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Solution

The fourth proportional to 479,260,425,503.80, 661,400,177,167.14 and 265,404,315,575.72 is: 366,269,468,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,425,503.80 : 661,400,177,167.14 = 265,404,315,575.72 : x
  2. Step 2: Convert to fraction form
    479,260,425,503.80/661,400,177,167.14 = 265,404,315,575.72/x
  3. Step 3: Cross multiply
    479,260,425,503.80x = 661,400,177,167.14 × 265,404,315,575.72
  4. Step 4: Simplify right side
    479,260,425,503.80x = 175,538,461,342,704,752,132,096
  5. Step 5: Solve for x
    x = 175,538,461,342,704,752,132,096/479,260,425,503.80
  6. Step 6: Final answer
    x = 366,269,468,542.45

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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.