Home / 786,750,938.51-1,179,544,618.19-475,789,422.41

Finding the Fourth Proportional to 786,750,938.51, 1,179,544,618.19 and 475,789,422.41

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Solution

The fourth proportional to 786,750,938.51, 1,179,544,618.19 and 475,789,422.41 is: 713,332,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,750,938.51 : 1,179,544,618.19 = 475,789,422.41 : x
  2. Step 2: Convert to fraction form
    786,750,938.51/1,179,544,618.19 = 475,789,422.41/x
  3. Step 3: Cross multiply
    786,750,938.51x = 1,179,544,618.19 × 475,789,422.41
  4. Step 4: Simplify right side
    786,750,938.51x = 561,214,852,587,167,360
  5. Step 5: Solve for x
    x = 561,214,852,587,167,360/786,750,938.51
  6. Step 6: Final answer
    x = 713,332,295.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.