Home / 1,125,839,087.71-1,689,521,578.67-461,973,126.11

Finding the Fourth Proportional to 1,125,839,087.71, 1,689,521,578.67 and 461,973,126.11

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Solution

The fourth proportional to 1,125,839,087.71, 1,689,521,578.67 and 461,973,126.11 is: 693,272,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,839,087.71 : 1,689,521,578.67 = 461,973,126.11 : x
  2. Step 2: Convert to fraction form
    1,125,839,087.71/1,689,521,578.67 = 461,973,126.11/x
  3. Step 3: Cross multiply
    1,125,839,087.71x = 1,689,521,578.67 × 461,973,126.11
  4. Step 4: Simplify right side
    1,125,839,087.71x = 780,513,565,321,835,008
  5. Step 5: Solve for x
    x = 780,513,565,321,835,008/1,125,839,087.71
  6. Step 6: Final answer
    x = 693,272,754.37

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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.