Home / 528,059,083.40-792,088,625.10-482,672,126.60

Finding the Fourth Proportional to 528,059,083.40, 792,088,625.10 and 482,672,126.60

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Solution

The fourth proportional to 528,059,083.40, 792,088,625.10 and 482,672,126.60 is: 724,008,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,059,083.40 : 792,088,625.10 = 482,672,126.60 : x
  2. Step 2: Convert to fraction form
    528,059,083.40/792,088,625.10 = 482,672,126.60/x
  3. Step 3: Cross multiply
    528,059,083.40x = 792,088,625.10 × 482,672,126.60
  4. Step 4: Simplify right side
    528,059,083.40x = 382,319,101,132,687,168
  5. Step 5: Solve for x
    x = 382,319,101,132,687,168/528,059,083.40
  6. Step 6: Final answer
    x = 724,008,189.90

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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.