Home / 528,057,647.40-792,086,471.10-482,670,690.60

Finding the Fourth Proportional to 528,057,647.40, 792,086,471.10 and 482,670,690.60

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Solution

The fourth proportional to 528,057,647.40, 792,086,471.10 and 482,670,690.60 is: 724,006,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,057,647.40 : 792,086,471.10 = 482,670,690.60 : x
  2. Step 2: Convert to fraction form
    528,057,647.40/792,086,471.10 = 482,670,690.60/x
  3. Step 3: Cross multiply
    528,057,647.40x = 792,086,471.10 × 482,670,690.60
  4. Step 4: Simplify right side
    528,057,647.40x = 382,316,924,020,753,984
  5. Step 5: Solve for x
    x = 382,316,924,020,753,984/528,057,647.40
  6. Step 6: Final answer
    x = 724,006,035.90

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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.