Home / 791,913,880.22-1,187,870,822.14-422,329,129.36

Finding the Fourth Proportional to 791,913,880.22, 1,187,870,822.14 and 422,329,129.36

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Solution

The fourth proportional to 791,913,880.22, 1,187,870,822.14 and 422,329,129.36 is: 633,493,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,913,880.22 : 1,187,870,822.14 = 422,329,129.36 : x
  2. Step 2: Convert to fraction form
    791,913,880.22/1,187,870,822.14 = 422,329,129.36/x
  3. Step 3: Cross multiply
    791,913,880.22x = 1,187,870,822.14 × 422,329,129.36
  4. Step 4: Simplify right side
    791,913,880.22x = 501,672,450,102,508,160
  5. Step 5: Solve for x
    x = 501,672,450,102,508,160/791,913,880.22
  6. Step 6: Final answer
    x = 633,493,695.00

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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.