Home / 451,438,394.33-622,987,190.81-253,210,483.08

Finding the Fourth Proportional to 451,438,394.33, 622,987,190.81 and 253,210,483.08

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Solution

The fourth proportional to 451,438,394.33, 622,987,190.81 and 253,210,483.08 is: 349,431,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,438,394.33 : 622,987,190.81 = 253,210,483.08 : x
  2. Step 2: Convert to fraction form
    451,438,394.33/622,987,190.81 = 253,210,483.08/x
  3. Step 3: Cross multiply
    451,438,394.33x = 622,987,190.81 × 253,210,483.08
  4. Step 4: Simplify right side
    451,438,394.33x = 157,746,887,537,652,224
  5. Step 5: Solve for x
    x = 157,746,887,537,652,224/451,438,394.33
  6. Step 6: Final answer
    x = 349,431,704.35

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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.