Home / 545,949,863.10-818,924,794.65-409,900,967.10

Finding the Fourth Proportional to 545,949,863.10, 818,924,794.65 and 409,900,967.10

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Solution

The fourth proportional to 545,949,863.10, 818,924,794.65 and 409,900,967.10 is: 614,851,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,949,863.10 : 818,924,794.65 = 409,900,967.10 : x
  2. Step 2: Convert to fraction form
    545,949,863.10/818,924,794.65 = 409,900,967.10/x
  3. Step 3: Cross multiply
    545,949,863.10x = 818,924,794.65 × 409,900,967.10
  4. Step 4: Simplify right side
    545,949,863.10x = 335,678,065,309,203,904
  5. Step 5: Solve for x
    x = 335,678,065,309,203,904/545,949,863.10
  6. Step 6: Final answer
    x = 614,851,450.65

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Half scale
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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.