Home / 864,102,619.36-1,296,157,291.77-209,052,594.56

Finding the Fourth Proportional to 864,102,619.36, 1,296,157,291.77 and 209,052,594.56

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Solution

The fourth proportional to 864,102,619.36, 1,296,157,291.77 and 209,052,594.56 is: 313,579,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,102,619.36 : 1,296,157,291.77 = 209,052,594.56 : x
  2. Step 2: Convert to fraction form
    864,102,619.36/1,296,157,291.77 = 209,052,594.56/x
  3. Step 3: Cross multiply
    864,102,619.36x = 1,296,157,291.77 × 209,052,594.56
  4. Step 4: Simplify right side
    864,102,619.36x = 270,965,044,802,381,440
  5. Step 5: Solve for x
    x = 270,965,044,802,381,440/864,102,619.36
  6. Step 6: Final answer
    x = 313,579,705.39

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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.