Home / 485,994,050.53-670,538,895.36-277,073,964.61

Finding the Fourth Proportional to 485,994,050.53, 670,538,895.36 and 277,073,964.61

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Solution

The fourth proportional to 485,994,050.53, 670,538,895.36 and 277,073,964.61 is: 382,286,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,994,050.53 : 670,538,895.36 = 277,073,964.61 : x
  2. Step 2: Convert to fraction form
    485,994,050.53/670,538,895.36 = 277,073,964.61/x
  3. Step 3: Cross multiply
    485,994,050.53x = 670,538,895.36 × 277,073,964.61
  4. Step 4: Simplify right side
    485,994,050.53x = 185,788,870,162,605,152
  5. Step 5: Solve for x
    x = 185,788,870,162,605,152/485,994,050.53
  6. Step 6: Final answer
    x = 382,286,305.69

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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.