Home / 528,057,615.40-792,086,423.10-482,670,658.60

Finding the Fourth Proportional to 528,057,615.40, 792,086,423.10 and 482,670,658.60

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Solution

The fourth proportional to 528,057,615.40, 792,086,423.10 and 482,670,658.60 is: 724,005,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,057,615.40 : 792,086,423.10 = 482,670,658.60 : x
  2. Step 2: Convert to fraction form
    528,057,615.40/792,086,423.10 = 482,670,658.60/x
  3. Step 3: Cross multiply
    528,057,615.40x = 792,086,423.10 × 482,670,658.60
  4. Step 4: Simplify right side
    528,057,615.40x = 382,316,875,505,795,264
  5. Step 5: Solve for x
    x = 382,316,875,505,795,264/528,057,615.40
  6. Step 6: Final answer
    x = 724,005,987.90

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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.