Home / 1,163,983,721.39-1,606,057,749.24-668,850,770.51

Finding the Fourth Proportional to 1,163,983,721.39, 1,606,057,749.24 and 668,850,770.51

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Solution

The fourth proportional to 1,163,983,721.39, 1,606,057,749.24 and 668,850,770.51 is: 922,876,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,983,721.39 : 1,606,057,749.24 = 668,850,770.51 : x
  2. Step 2: Convert to fraction form
    1,163,983,721.39/1,606,057,749.24 = 668,850,770.51/x
  3. Step 3: Cross multiply
    1,163,983,721.39x = 1,606,057,749.24 × 668,850,770.51
  4. Step 4: Simplify right side
    1,163,983,721.39x = 1,074,212,963,059,385,984
  5. Step 5: Solve for x
    x = 1,074,212,963,059,385,984/1,163,983,721.39
  6. Step 6: Final answer
    x = 922,876,276.81

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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.