Home / 539,578,085.58-808,141,305.60-422,262,318.78

Finding the Fourth Proportional to 539,578,085.58, 808,141,305.60 and 422,262,318.78

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Solution

The fourth proportional to 539,578,085.58, 808,141,305.60 and 422,262,318.78 is: 632,434,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,578,085.58 : 808,141,305.60 = 422,262,318.78 : x
  2. Step 2: Convert to fraction form
    539,578,085.58/808,141,305.60 = 422,262,318.78/x
  3. Step 3: Cross multiply
    539,578,085.58x = 808,141,305.60 × 422,262,318.78
  4. Step 4: Simplify right side
    539,578,085.58x = 341,247,621,604,552,576
  5. Step 5: Solve for x
    x = 341,247,621,604,552,576/539,578,085.58
  6. Step 6: Final answer
    x = 632,434,175.38

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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.