Home / 1,161,118,172.12-1,602,297,762.68-709,751,815.16

Finding the Fourth Proportional to 1,161,118,172.12, 1,602,297,762.68 and 709,751,815.16

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Solution

The fourth proportional to 1,161,118,172.12, 1,602,297,762.68 and 709,751,815.16 is: 979,429,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,118,172.12 : 1,602,297,762.68 = 709,751,815.16 : x
  2. Step 2: Convert to fraction form
    1,161,118,172.12/1,602,297,762.68 = 709,751,815.16/x
  3. Step 3: Cross multiply
    1,161,118,172.12x = 1,602,297,762.68 × 709,751,815.16
  4. Step 4: Simplify right side
    1,161,118,172.12x = 1,137,233,745,488,936,960
  5. Step 5: Solve for x
    x = 1,137,233,745,488,936,960/1,161,118,172.12
  6. Step 6: Final answer
    x = 979,429,805.51

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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.