Home / 380,838,824,394.75-525,541,715,818.82-207,224,645,647.34

Finding the Fourth Proportional to 380,838,824,394.75, 525,541,715,818.82 and 207,224,645,647.34

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Solution

The fourth proportional to 380,838,824,394.75, 525,541,715,818.82 and 207,224,645,647.34 is: 285,961,380,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,838,824,394.75 : 525,541,715,818.82 = 207,224,645,647.34 : x
  2. Step 2: Convert to fraction form
    380,838,824,394.75/525,541,715,818.82 = 207,224,645,647.34/x
  3. Step 3: Cross multiply
    380,838,824,394.75x = 525,541,715,818.82 × 207,224,645,647.34
  4. Step 4: Simplify right side
    380,838,824,394.75x = 108,905,195,833,450,026,762,240
  5. Step 5: Solve for x
    x = 108,905,195,833,450,026,762,240/380,838,824,394.75
  6. Step 6: Final answer
    x = 285,961,380,136.41

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Double scale
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1.5x scale

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.