Home / 815,946,518.80-1,125,973,346.28-444,660,578.32

Finding the Fourth Proportional to 815,946,518.80, 1,125,973,346.28 and 444,660,578.32

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Solution

The fourth proportional to 815,946,518.80, 1,125,973,346.28 and 444,660,578.32 is: 613,613,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,946,518.80 : 1,125,973,346.28 = 444,660,578.32 : x
  2. Step 2: Convert to fraction form
    815,946,518.80/1,125,973,346.28 = 444,660,578.32/x
  3. Step 3: Cross multiply
    815,946,518.80x = 1,125,973,346.28 × 444,660,578.32
  4. Step 4: Simplify right side
    815,946,518.80x = 500,675,959,329,770,368
  5. Step 5: Solve for x
    x = 500,675,959,329,770,368/815,946,518.80
  6. Step 6: Final answer
    x = 613,613,696.23

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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.