Home / 529,008,735.40-792,759,517.62-389,739,088.24

Finding the Fourth Proportional to 529,008,735.40, 792,759,517.62 and 389,739,088.24

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Solution

The fourth proportional to 529,008,735.40, 792,759,517.62 and 389,739,088.24 is: 584,053,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,008,735.40 : 792,759,517.62 = 389,739,088.24 : x
  2. Step 2: Convert to fraction form
    529,008,735.40/792,759,517.62 = 389,739,088.24/x
  3. Step 3: Cross multiply
    529,008,735.40x = 792,759,517.62 × 389,739,088.24
  4. Step 4: Simplify right side
    529,008,735.40x = 308,969,371,590,801,024
  5. Step 5: Solve for x
    x = 308,969,371,590,801,024/529,008,735.40
  6. Step 6: Final answer
    x = 584,053,439.79

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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.