Home / 885,515,504.80-1,222,124,117.52-514,163,604.64

Finding the Fourth Proportional to 885,515,504.80, 1,222,124,117.52 and 514,163,604.64

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Solution

The fourth proportional to 885,515,504.80, 1,222,124,117.52 and 514,163,604.64 is: 709,611,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,515,504.80 : 1,222,124,117.52 = 514,163,604.64 : x
  2. Step 2: Convert to fraction form
    885,515,504.80/1,222,124,117.52 = 514,163,604.64/x
  3. Step 3: Cross multiply
    885,515,504.80x = 1,222,124,117.52 × 514,163,604.64
  4. Step 4: Simplify right side
    885,515,504.80x = 628,371,741,581,562,112
  5. Step 5: Solve for x
    x = 628,371,741,581,562,112/885,515,504.80
  6. Step 6: Final answer
    x = 709,611,224.39

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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.