Home / 750,007,743.30-1,123,881,835.26-668,273,003.22

Finding the Fourth Proportional to 750,007,743.30, 1,123,881,835.26 and 668,273,003.22

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Solution

The fourth proportional to 750,007,743.30, 1,123,881,835.26 and 668,273,003.22 is: 1,001,402,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,007,743.30 : 1,123,881,835.26 = 668,273,003.22 : x
  2. Step 2: Convert to fraction form
    750,007,743.30/1,123,881,835.26 = 668,273,003.22/x
  3. Step 3: Cross multiply
    750,007,743.30x = 1,123,881,835.26 × 668,273,003.22
  4. Step 4: Simplify right side
    750,007,743.30x = 751,059,889,313,605,504
  5. Step 5: Solve for x
    x = 751,059,889,313,605,504/750,007,743.30
  6. Step 6: Final answer
    x = 1,001,402,846.87

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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.