Home / 531,465,664.40-797,198,496.60-519,521,728.40

Finding the Fourth Proportional to 531,465,664.40, 797,198,496.60 and 519,521,728.40

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Solution

The fourth proportional to 531,465,664.40, 797,198,496.60 and 519,521,728.40 is: 779,282,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,465,664.40 : 797,198,496.60 = 519,521,728.40 : x
  2. Step 2: Convert to fraction form
    531,465,664.40/797,198,496.60 = 519,521,728.40/x
  3. Step 3: Cross multiply
    531,465,664.40x = 797,198,496.60 × 519,521,728.40
  4. Step 4: Simplify right side
    531,465,664.40x = 414,161,940,831,513,536
  5. Step 5: Solve for x
    x = 414,161,940,831,513,536/531,465,664.40
  6. Step 6: Final answer
    x = 779,282,592.60

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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.