Home / 528,057,942.90-792,086,914.35-482,670,986.10

Finding the Fourth Proportional to 528,057,942.90, 792,086,914.35 and 482,670,986.10

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Solution

The fourth proportional to 528,057,942.90, 792,086,914.35 and 482,670,986.10 is: 724,006,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,057,942.90 : 792,086,914.35 = 482,670,986.10 : x
  2. Step 2: Convert to fraction form
    528,057,942.90/792,086,914.35 = 482,670,986.10/x
  3. Step 3: Cross multiply
    528,057,942.90x = 792,086,914.35 × 482,670,986.10
  4. Step 4: Simplify right side
    528,057,942.90x = 382,317,372,026,220,800
  5. Step 5: Solve for x
    x = 382,317,372,026,220,800/528,057,942.90
  6. Step 6: Final answer
    x = 724,006,479.15

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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.