Home / 725,448,266.16-1,001,128,554.72-395,422,695.60

Finding the Fourth Proportional to 725,448,266.16, 1,001,128,554.72 and 395,422,695.60

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Solution

The fourth proportional to 725,448,266.16, 1,001,128,554.72 and 395,422,695.60 is: 545,688,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,448,266.16 : 1,001,128,554.72 = 395,422,695.60 : x
  2. Step 2: Convert to fraction form
    725,448,266.16/1,001,128,554.72 = 395,422,695.60/x
  3. Step 3: Cross multiply
    725,448,266.16x = 1,001,128,554.72 × 395,422,695.60
  4. Step 4: Simplify right side
    725,448,266.16x = 395,868,951,749,514,560
  5. Step 5: Solve for x
    x = 395,868,951,749,514,560/725,448,266.16
  6. Step 6: Final answer
    x = 545,688,742.00

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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.