Home / 1,008,047,856.35-1,512,071,784.53-803,974,512.35

Finding the Fourth Proportional to 1,008,047,856.35, 1,512,071,784.53 and 803,974,512.35

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Solution

The fourth proportional to 1,008,047,856.35, 1,512,071,784.53 and 803,974,512.35 is: 1,205,961,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,047,856.35 : 1,512,071,784.53 = 803,974,512.35 : x
  2. Step 2: Convert to fraction form
    1,008,047,856.35/1,512,071,784.53 = 803,974,512.35/x
  3. Step 3: Cross multiply
    1,008,047,856.35x = 1,512,071,784.53 × 803,974,512.35
  4. Step 4: Simplify right side
    1,008,047,856.35x = 1,215,667,175,605,701,120
  5. Step 5: Solve for x
    x = 1,215,667,175,605,701,120/1,008,047,856.35
  6. Step 6: Final answer
    x = 1,205,961,768.53

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Double scale
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Similar ratio
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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.