Home / 598,139,724.80-897,330,892.80-339,478,860.80

Finding the Fourth Proportional to 598,139,724.80, 897,330,892.80 and 339,478,860.80

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Solution

The fourth proportional to 598,139,724.80, 897,330,892.80 and 339,478,860.80 is: 509,287,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,139,724.80 : 897,330,892.80 = 339,478,860.80 : x
  2. Step 2: Convert to fraction form
    598,139,724.80/897,330,892.80 = 339,478,860.80/x
  3. Step 3: Cross multiply
    598,139,724.80x = 897,330,892.80 × 339,478,860.80
  4. Step 4: Simplify right side
    598,139,724.80x = 304,624,869,248,390,912
  5. Step 5: Solve for x
    x = 304,624,869,248,390,912/598,139,724.80
  6. Step 6: Final answer
    x = 509,287,139.14

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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.