Home / 1,008,440,164.20-1,512,660,246.30-619,000,199.40

Finding the Fourth Proportional to 1,008,440,164.20, 1,512,660,246.30 and 619,000,199.40

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Solution

The fourth proportional to 1,008,440,164.20, 1,512,660,246.30 and 619,000,199.40 is: 928,500,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,440,164.20 : 1,512,660,246.30 = 619,000,199.40 : x
  2. Step 2: Convert to fraction form
    1,008,440,164.20/1,512,660,246.30 = 619,000,199.40/x
  3. Step 3: Cross multiply
    1,008,440,164.20x = 1,512,660,246.30 × 619,000,199.40
  4. Step 4: Simplify right side
    1,008,440,164.20x = 936,336,994,084,153,088
  5. Step 5: Solve for x
    x = 936,336,994,084,153,088/1,008,440,164.20
  6. Step 6: Final answer
    x = 928,500,299.10

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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.