Home / 998,839,467.64-1,378,388,312.22-552,803,696.92

Finding the Fourth Proportional to 998,839,467.64, 1,378,388,312.22 and 552,803,696.92

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Solution

The fourth proportional to 998,839,467.64, 1,378,388,312.22 and 552,803,696.92 is: 762,863,482.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,839,467.64 : 1,378,388,312.22 = 552,803,696.92 : x
  2. Step 2: Convert to fraction form
    998,839,467.64/1,378,388,312.22 = 552,803,696.92/x
  3. Step 3: Cross multiply
    998,839,467.64x = 1,378,388,312.22 × 552,803,696.92
  4. Step 4: Simplify right side
    998,839,467.64x = 761,978,154,786,535,168
  5. Step 5: Solve for x
    x = 761,978,154,786,535,168/998,839,467.64
  6. Step 6: Final answer
    x = 762,863,482.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.