Home / 382,693,224.78-528,279,895.14-257,318,091.60

Finding the Fourth Proportional to 382,693,224.78, 528,279,895.14 and 257,318,091.60

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Solution

The fourth proportional to 382,693,224.78, 528,279,895.14 and 257,318,091.60 is: 355,208,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,693,224.78 : 528,279,895.14 = 257,318,091.60 : x
  2. Step 2: Convert to fraction form
    382,693,224.78/528,279,895.14 = 257,318,091.60/x
  3. Step 3: Cross multiply
    382,693,224.78x = 528,279,895.14 × 257,318,091.60
  4. Step 4: Simplify right side
    382,693,224.78x = 135,935,974,448,072,912
  5. Step 5: Solve for x
    x = 135,935,974,448,072,912/382,693,224.78
  6. Step 6: Final answer
    x = 355,208,730.25

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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.