Home / 509,724,108.60-763,452,422.10-419,024,844.60

Finding the Fourth Proportional to 509,724,108.60, 763,452,422.10 and 419,024,844.60

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Solution

The fourth proportional to 509,724,108.60, 763,452,422.10 and 419,024,844.60 is: 627,605,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,724,108.60 : 763,452,422.10 = 419,024,844.60 : x
  2. Step 2: Convert to fraction form
    509,724,108.60/763,452,422.10 = 419,024,844.60/x
  3. Step 3: Cross multiply
    509,724,108.60x = 763,452,422.10 × 419,024,844.60
  4. Step 4: Simplify right side
    509,724,108.60x = 319,905,532,529,946,112
  5. Step 5: Solve for x
    x = 319,905,532,529,946,112/509,724,108.60
  6. Step 6: Final answer
    x = 627,605,261.62

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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.