Home / 1,411,848,437.39-2,115,318,394.31-990,776,772.11

Finding the Fourth Proportional to 1,411,848,437.39, 2,115,318,394.31 and 990,776,772.11

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Solution

The fourth proportional to 1,411,848,437.39, 2,115,318,394.31 and 990,776,772.11 is: 1,484,442,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,848,437.39 : 2,115,318,394.31 = 990,776,772.11 : x
  2. Step 2: Convert to fraction form
    1,411,848,437.39/2,115,318,394.31 = 990,776,772.11/x
  3. Step 3: Cross multiply
    1,411,848,437.39x = 2,115,318,394.31 × 990,776,772.11
  4. Step 4: Simplify right side
    1,411,848,437.39x = 2,095,808,330,683,839,744
  5. Step 5: Solve for x
    x = 2,095,808,330,683,839,744/1,411,848,437.39
  6. Step 6: Final answer
    x = 1,484,442,858.87

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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.