Home / 1,400,320,192.40-2,100,480,288.60-674,726,080.40

Finding the Fourth Proportional to 1,400,320,192.40, 2,100,480,288.60 and 674,726,080.40

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Solution

The fourth proportional to 1,400,320,192.40, 2,100,480,288.60 and 674,726,080.40 is: 1,012,089,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,320,192.40 : 2,100,480,288.60 = 674,726,080.40 : x
  2. Step 2: Convert to fraction form
    1,400,320,192.40/2,100,480,288.60 = 674,726,080.40/x
  3. Step 3: Cross multiply
    1,400,320,192.40x = 2,100,480,288.60 × 674,726,080.40
  4. Step 4: Simplify right side
    1,400,320,192.40x = 1,417,248,832,084,538,624
  5. Step 5: Solve for x
    x = 1,417,248,832,084,538,624/1,400,320,192.40
  6. Step 6: Final answer
    x = 1,012,089,120.60

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Double scale
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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.