Home / 550,949,557.32-760,344,747.72-303,430,845.96

Finding the Fourth Proportional to 550,949,557.32, 760,344,747.72 and 303,430,845.96

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Solution

The fourth proportional to 550,949,557.32, 760,344,747.72 and 303,430,845.96 is: 418,753,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,949,557.32 : 760,344,747.72 = 303,430,845.96 : x
  2. Step 2: Convert to fraction form
    550,949,557.32/760,344,747.72 = 303,430,845.96/x
  3. Step 3: Cross multiply
    550,949,557.32x = 760,344,747.72 × 303,430,845.96
  4. Step 4: Simplify right side
    550,949,557.32x = 230,712,050,021,922,368
  5. Step 5: Solve for x
    x = 230,712,050,021,922,368/550,949,557.32
  6. Step 6: Final answer
    x = 418,753,490.15

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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.