Home / 1,011,507,701.78-1,396,105,187.73-614,946,427.22

Finding the Fourth Proportional to 1,011,507,701.78, 1,396,105,187.73 and 614,946,427.22

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Solution

The fourth proportional to 1,011,507,701.78, 1,396,105,187.73 and 614,946,427.22 is: 848,762,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,507,701.78 : 1,396,105,187.73 = 614,946,427.22 : x
  2. Step 2: Convert to fraction form
    1,011,507,701.78/1,396,105,187.73 = 614,946,427.22/x
  3. Step 3: Cross multiply
    1,011,507,701.78x = 1,396,105,187.73 × 614,946,427.22
  4. Step 4: Simplify right side
    1,011,507,701.78x = 858,529,897,217,870,976
  5. Step 5: Solve for x
    x = 858,529,897,217,870,976/1,011,507,701.78
  6. Step 6: Final answer
    x = 848,762,590.45

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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.