Home / 451,015,760,421.05-622,413,545,465.95-245,262,033,515.90

Finding the Fourth Proportional to 451,015,760,421.05, 622,413,545,465.95 and 245,262,033,515.90

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Solution

The fourth proportional to 451,015,760,421.05, 622,413,545,465.95 and 245,262,033,515.90 is: 338,468,020,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,015,760,421.05 : 622,413,545,465.95 = 245,262,033,515.90 : x
  2. Step 2: Convert to fraction form
    451,015,760,421.05/622,413,545,465.95 = 245,262,033,515.90/x
  3. Step 3: Cross multiply
    451,015,760,421.05x = 622,413,545,465.95 × 245,262,033,515.90
  4. Step 4: Simplify right side
    451,015,760,421.05x = 152,654,411,848,819,970,932,736
  5. Step 5: Solve for x
    x = 152,654,411,848,819,970,932,736/451,015,760,421.05
  6. Step 6: Final answer
    x = 338,468,020,954.10

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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.