Home / 1,398,599,538.80-2,098,655,135.40-622,365,004.40

Finding the Fourth Proportional to 1,398,599,538.80, 2,098,655,135.40 and 622,365,004.40

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Solution

The fourth proportional to 1,398,599,538.80, 2,098,655,135.40 and 622,365,004.40 is: 933,883,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,599,538.80 : 2,098,655,135.40 = 622,365,004.40 : x
  2. Step 2: Convert to fraction form
    1,398,599,538.80/2,098,655,135.40 = 622,365,004.40/x
  3. Step 3: Cross multiply
    1,398,599,538.80x = 2,098,655,135.40 × 622,365,004.40
  4. Step 4: Simplify right side
    1,398,599,538.80x = 1,306,129,512,577,303,552
  5. Step 5: Solve for x
    x = 1,306,129,512,577,303,552/1,398,599,538.80
  6. Step 6: Final answer
    x = 933,883,843.33

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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.