Home / 313,619,665,901.90-470,429,472,908.35-86,979,115,003.44

Finding the Fourth Proportional to 313,619,665,901.90, 470,429,472,908.35 and 86,979,115,003.44

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Solution

The fourth proportional to 313,619,665,901.90, 470,429,472,908.35 and 86,979,115,003.44 is: 130,468,665,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,619,665,901.90 : 470,429,472,908.35 = 86,979,115,003.44 : x
  2. Step 2: Convert to fraction form
    313,619,665,901.90/470,429,472,908.35 = 86,979,115,003.44/x
  3. Step 3: Cross multiply
    313,619,665,901.90x = 470,429,472,908.35 × 86,979,115,003.44
  4. Step 4: Simplify right side
    313,619,665,901.90x = 40,917,539,225,103,033,696,256
  5. Step 5: Solve for x
    x = 40,917,539,225,103,033,696,256/313,619,665,901.90
  6. Step 6: Final answer
    x = 130,468,665,309.73

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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.