Home / 1,512,747,412.02-2,087,591,515.83-817,386,388.02

Finding the Fourth Proportional to 1,512,747,412.02, 2,087,591,515.83 and 817,386,388.02

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Solution

The fourth proportional to 1,512,747,412.02, 2,087,591,515.83 and 817,386,388.02 is: 1,127,993,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,747,412.02 : 2,087,591,515.83 = 817,386,388.02 : x
  2. Step 2: Convert to fraction form
    1,512,747,412.02/2,087,591,515.83 = 817,386,388.02/x
  3. Step 3: Cross multiply
    1,512,747,412.02x = 2,087,591,515.83 × 817,386,388.02
  4. Step 4: Simplify right side
    1,512,747,412.02x = 1,706,368,888,785,480,192
  5. Step 5: Solve for x
    x = 1,706,368,888,785,480,192/1,512,747,412.02
  6. Step 6: Final answer
    x = 1,127,993,262.61

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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.