Home / 447,640,823,004.57-671,362,365,223.09-129,217,829,217.92

Finding the Fourth Proportional to 447,640,823,004.57, 671,362,365,223.09 and 129,217,829,217.92

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Solution

The fourth proportional to 447,640,823,004.57, 671,362,365,223.09 and 129,217,829,217.92 is: 193,798,203,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,640,823,004.57 : 671,362,365,223.09 = 129,217,829,217.92 : x
  2. Step 2: Convert to fraction form
    447,640,823,004.57/671,362,365,223.09 = 129,217,829,217.92/x
  3. Step 3: Cross multiply
    447,640,823,004.57x = 671,362,365,223.09 × 129,217,829,217.92
  4. Step 4: Simplify right side
    447,640,823,004.57x = 86,751,987,452,736,069,173,248
  5. Step 5: Solve for x
    x = 86,751,987,452,736,069,173,248/447,640,823,004.57
  6. Step 6: Final answer
    x = 193,798,203,815.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.