Home / 774,145,634.40-1,160,322,656.40-313,856,200.80

Finding the Fourth Proportional to 774,145,634.40, 1,160,322,656.40 and 313,856,200.80

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Solution

The fourth proportional to 774,145,634.40, 1,160,322,656.40 and 313,856,200.80 is: 470,421,125.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,145,634.40 : 1,160,322,656.40 = 313,856,200.80 : x
  2. Step 2: Convert to fraction form
    774,145,634.40/1,160,322,656.40 = 313,856,200.80/x
  3. Step 3: Cross multiply
    774,145,634.40x = 1,160,322,656.40 × 313,856,200.80
  4. Step 4: Simplify right side
    774,145,634.40x = 364,174,460,639,867,840
  5. Step 5: Solve for x
    x = 364,174,460,639,867,840/774,145,634.40
  6. Step 6: Final answer
    x = 470,421,125.51

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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.