Home / 480,310,321.76-662,828,811-260,293,747.76

Finding the Fourth Proportional to 480,310,321.76, 662,828,811 and 260,293,747.76

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Solution

The fourth proportional to 480,310,321.76, 662,828,811 and 260,293,747.76 is: 359,205,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,310,321.76 : 662,828,811 = 260,293,747.76 : x
  2. Step 2: Convert to fraction form
    480,310,321.76/662,828,811 = 260,293,747.76/x
  3. Step 3: Cross multiply
    480,310,321.76x = 662,828,811 × 260,293,747.76
  4. Step 4: Simplify right side
    480,310,321.76x = 172,530,195,338,494,720
  5. Step 5: Solve for x
    x = 172,530,195,338,494,720/480,310,321.76
  6. Step 6: Final answer
    x = 359,205,679.17

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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.