Home / 1,008,047,809.85-1,512,071,714.78-803,974,465.85

Finding the Fourth Proportional to 1,008,047,809.85, 1,512,071,714.78 and 803,974,465.85

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Solution

The fourth proportional to 1,008,047,809.85, 1,512,071,714.78 and 803,974,465.85 is: 1,205,961,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,047,809.85 : 1,512,071,714.78 = 803,974,465.85 : x
  2. Step 2: Convert to fraction form
    1,008,047,809.85/1,512,071,714.78 = 803,974,465.85/x
  3. Step 3: Cross multiply
    1,008,047,809.85x = 1,512,071,714.78 × 803,974,465.85
  4. Step 4: Simplify right side
    1,008,047,809.85x = 1,215,667,049,217,144,064
  5. Step 5: Solve for x
    x = 1,215,667,049,217,144,064/1,008,047,809.85
  6. Step 6: Final answer
    x = 1,205,961,698.78

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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.