Home / 702,260,441.69-969,119,326.44-420,002,838.86

Finding the Fourth Proportional to 702,260,441.69, 969,119,326.44 and 420,002,838.86

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Solution

The fourth proportional to 702,260,441.69, 969,119,326.44 and 420,002,838.86 is: 579,603,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,260,441.69 : 969,119,326.44 = 420,002,838.86 : x
  2. Step 2: Convert to fraction form
    702,260,441.69/969,119,326.44 = 420,002,838.86/x
  3. Step 3: Cross multiply
    702,260,441.69x = 969,119,326.44 × 420,002,838.86
  4. Step 4: Simplify right side
    702,260,441.69x = 407,032,868,294,045,504
  5. Step 5: Solve for x
    x = 407,032,868,294,045,504/702,260,441.69
  6. Step 6: Final answer
    x = 579,603,867.93

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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.