Home / 993,876,894.22-1,371,611,477.28-547,839,251.47

Finding the Fourth Proportional to 993,876,894.22, 1,371,611,477.28 and 547,839,251.47

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Solution

The fourth proportional to 993,876,894.22, 1,371,611,477.28 and 547,839,251.47 is: 756,051,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,876,894.22 : 1,371,611,477.28 = 547,839,251.47 : x
  2. Step 2: Convert to fraction form
    993,876,894.22/1,371,611,477.28 = 547,839,251.47/x
  3. Step 3: Cross multiply
    993,876,894.22x = 1,371,611,477.28 × 547,839,251.47
  4. Step 4: Simplify right side
    993,876,894.22x = 751,422,605,020,736,128
  5. Step 5: Solve for x
    x = 751,422,605,020,736,128/993,876,894.22
  6. Step 6: Final answer
    x = 756,051,991.34

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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.