Home / 656,976,711.48-906,628,145.66-359,620,649.72

Finding the Fourth Proportional to 656,976,711.48, 906,628,145.66 and 359,620,649.72

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Solution

The fourth proportional to 656,976,711.48, 906,628,145.66 and 359,620,649.72 is: 496,276,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,976,711.48 : 906,628,145.66 = 359,620,649.72 : x
  2. Step 2: Convert to fraction form
    656,976,711.48/906,628,145.66 = 359,620,649.72/x
  3. Step 3: Cross multiply
    656,976,711.48x = 906,628,145.66 × 359,620,649.72
  4. Step 4: Simplify right side
    656,976,711.48x = 326,042,202,796,688,000
  5. Step 5: Solve for x
    x = 326,042,202,796,688,000/656,976,711.48
  6. Step 6: Final answer
    x = 496,276,651.97

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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.