Home / 815,946,508.80-1,125,973,332.48-444,660,568.32

Finding the Fourth Proportional to 815,946,508.80, 1,125,973,332.48 and 444,660,568.32

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Solution

The fourth proportional to 815,946,508.80, 1,125,973,332.48 and 444,660,568.32 is: 613,613,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,946,508.80 : 1,125,973,332.48 = 444,660,568.32 : x
  2. Step 2: Convert to fraction form
    815,946,508.80/1,125,973,332.48 = 444,660,568.32/x
  3. Step 3: Cross multiply
    815,946,508.80x = 1,125,973,332.48 × 444,660,568.32
  4. Step 4: Simplify right side
    815,946,508.80x = 500,675,941,933,721,088
  5. Step 5: Solve for x
    x = 500,675,941,933,721,088/815,946,508.80
  6. Step 6: Final answer
    x = 613,613,682.43

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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.