Home / 419,110,417.32-578,346,315.95-230,928,180.32

Finding the Fourth Proportional to 419,110,417.32, 578,346,315.95 and 230,928,180.32

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Solution

The fourth proportional to 419,110,417.32, 578,346,315.95 and 230,928,180.32 is: 318,666,529.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,110,417.32 : 578,346,315.95 = 230,928,180.32 : x
  2. Step 2: Convert to fraction form
    419,110,417.32/578,346,315.95 = 230,928,180.32/x
  3. Step 3: Cross multiply
    419,110,417.32x = 578,346,315.95 × 230,928,180.32
  4. Step 4: Simplify right side
    419,110,417.32x = 133,556,462,339,132,464
  5. Step 5: Solve for x
    x = 133,556,462,339,132,464/419,110,417.32
  6. Step 6: Final answer
    x = 318,666,529.92

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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.