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Finding the Fourth Proportional to 1,330,663,066.74, 1,836,240,645.06 and 727,714,613.34

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Solution

The fourth proportional to 1,330,663,066.74, 1,836,240,645.06 and 727,714,613.34 is: 1,004,205,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,663,066.74 : 1,836,240,645.06 = 727,714,613.34 : x
  2. Step 2: Convert to fraction form
    1,330,663,066.74/1,836,240,645.06 = 727,714,613.34/x
  3. Step 3: Cross multiply
    1,330,663,066.74x = 1,836,240,645.06 × 727,714,613.34
  4. Step 4: Simplify right side
    1,330,663,066.74x = 1,336,259,151,019,030,016
  5. Step 5: Solve for x
    x = 1,336,259,151,019,030,016/1,330,663,066.74
  6. Step 6: Final answer
    x = 1,004,205,485.53

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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.