Home / 543,172,878,852.84-749,618,190,255.78-314,861,063,541.48

Finding the Fourth Proportional to 543,172,878,852.84, 749,618,190,255.78 and 314,861,063,541.48

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Solution

The fourth proportional to 543,172,878,852.84, 749,618,190,255.78 and 314,861,063,541.48 is: 434,531,232,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,172,878,852.84 : 749,618,190,255.78 = 314,861,063,541.48 : x
  2. Step 2: Convert to fraction form
    543,172,878,852.84/749,618,190,255.78 = 314,861,063,541.48/x
  3. Step 3: Cross multiply
    543,172,878,852.84x = 749,618,190,255.78 × 314,861,063,541.48
  4. Step 4: Simplify right side
    543,172,878,852.84x = 236,025,580,633,974,384,885,760
  5. Step 5: Solve for x
    x = 236,025,580,633,974,384,885,760/543,172,878,852.84
  6. Step 6: Final answer
    x = 434,531,232,731.01

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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.