Home / 479,260,425,479.40-661,400,177,133.56-265,404,315,551.42

Finding the Fourth Proportional to 479,260,425,479.40, 661,400,177,133.56 and 265,404,315,551.42

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Solution

The fourth proportional to 479,260,425,479.40, 661,400,177,133.56 and 265,404,315,551.42 is: 366,269,468,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,260,425,479.40 : 661,400,177,133.56 = 265,404,315,551.42 : x
  2. Step 2: Convert to fraction form
    479,260,425,479.40/661,400,177,133.56 = 265,404,315,551.42/x
  3. Step 3: Cross multiply
    479,260,425,479.40x = 661,400,177,133.56 × 265,404,315,551.42
  4. Step 4: Simplify right side
    479,260,425,479.40x = 175,538,461,317,720,457,609,216
  5. Step 5: Solve for x
    x = 175,538,461,317,720,457,609,216/479,260,425,479.40
  6. Step 6: Final answer
    x = 366,269,468,508.97

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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.