Home / 413,940,024.80-621,340,701.44-304,888,331.60

Finding the Fourth Proportional to 413,940,024.80, 621,340,701.44 and 304,888,331.60

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Solution

The fourth proportional to 413,940,024.80, 621,340,701.44 and 304,888,331.60 is: 457,649,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,940,024.80 : 621,340,701.44 = 304,888,331.60 : x
  2. Step 2: Convert to fraction form
    413,940,024.80/621,340,701.44 = 304,888,331.60/x
  3. Step 3: Cross multiply
    413,940,024.80x = 621,340,701.44 × 304,888,331.60
  4. Step 4: Simplify right side
    413,940,024.80x = 189,439,529,817,215,360
  5. Step 5: Solve for x
    x = 189,439,529,817,215,360/413,940,024.80
  6. Step 6: Final answer
    x = 457,649,703.98

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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.