Home / 1,213,378,001.39-1,675,618,057.55-1,147,273,356.33

Finding the Fourth Proportional to 1,213,378,001.39, 1,675,618,057.55 and 1,147,273,356.33

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Solution

The fourth proportional to 1,213,378,001.39, 1,675,618,057.55 and 1,147,273,356.33 is: 1,584,330,646.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,378,001.39 : 1,675,618,057.55 = 1,147,273,356.33 : x
  2. Step 2: Convert to fraction form
    1,213,378,001.39/1,675,618,057.55 = 1,147,273,356.33/x
  3. Step 3: Cross multiply
    1,213,378,001.39x = 1,675,618,057.55 × 1,147,273,356.33
  4. Step 4: Simplify right side
    1,213,378,001.39x = 1,922,391,952,806,807,296
  5. Step 5: Solve for x
    x = 1,922,391,952,806,807,296/1,213,378,001.39
  6. Step 6: Final answer
    x = 1,584,330,646.02

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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.