Home / 528,056,644.40-792,084,966.60-482,669,687.60

Finding the Fourth Proportional to 528,056,644.40, 792,084,966.60 and 482,669,687.60

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Solution

The fourth proportional to 528,056,644.40, 792,084,966.60 and 482,669,687.60 is: 724,004,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,056,644.40 : 792,084,966.60 = 482,669,687.60 : x
  2. Step 2: Convert to fraction form
    528,056,644.40/792,084,966.60 = 482,669,687.60/x
  3. Step 3: Cross multiply
    528,056,644.40x = 792,084,966.60 × 482,669,687.60
  4. Step 4: Simplify right side
    528,056,644.40x = 382,315,403,381,478,464
  5. Step 5: Solve for x
    x = 382,315,403,381,478,464/528,056,644.40
  6. Step 6: Final answer
    x = 724,004,531.40

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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.