Home / 1,227,055,729.01-1,693,338,800.56-698,419,709.60

Finding the Fourth Proportional to 1,227,055,729.01, 1,693,338,800.56 and 698,419,709.60

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Solution

The fourth proportional to 1,227,055,729.01, 1,693,338,800.56 and 698,419,709.60 is: 963,820,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,055,729.01 : 1,693,338,800.56 = 698,419,709.60 : x
  2. Step 2: Convert to fraction form
    1,227,055,729.01/1,693,338,800.56 = 698,419,709.60/x
  3. Step 3: Cross multiply
    1,227,055,729.01x = 1,693,338,800.56 × 698,419,709.60
  4. Step 4: Simplify right side
    1,227,055,729.01x = 1,182,661,193,331,314,688
  5. Step 5: Solve for x
    x = 1,182,661,193,331,314,688/1,227,055,729.01
  6. Step 6: Final answer
    x = 963,820,277.58

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Double scale
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1.5x scale

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.