Home / 419,110,424.54-578,346,325.88-230,928,187.53

Finding the Fourth Proportional to 419,110,424.54, 578,346,325.88 and 230,928,187.53

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Solution

The fourth proportional to 419,110,424.54, 578,346,325.88 and 230,928,187.53 is: 318,666,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,110,424.54 : 578,346,325.88 = 230,928,187.53 : x
  2. Step 2: Convert to fraction form
    419,110,424.54/578,346,325.88 = 230,928,187.53/x
  3. Step 3: Cross multiply
    419,110,424.54x = 578,346,325.88 × 230,928,187.53
  4. Step 4: Simplify right side
    419,110,424.54x = 133,556,468,798,948,496
  5. Step 5: Solve for x
    x = 133,556,468,798,948,496/419,110,424.54
  6. Step 6: Final answer
    x = 318,666,539.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.