Home / 472,393,066.20-708,589,599.30-411,926,890.20

Finding the Fourth Proportional to 472,393,066.20, 708,589,599.30 and 411,926,890.20

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Solution

The fourth proportional to 472,393,066.20, 708,589,599.30 and 411,926,890.20 is: 617,890,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,066.20 : 708,589,599.30 = 411,926,890.20 : x
  2. Step 2: Convert to fraction form
    472,393,066.20/708,589,599.30 = 411,926,890.20/x
  3. Step 3: Cross multiply
    472,393,066.20x = 708,589,599.30 × 411,926,890.20
  4. Step 4: Simplify right side
    472,393,066.20x = 291,887,110,067,713,088
  5. Step 5: Solve for x
    x = 291,887,110,067,713,088/472,393,066.20
  6. Step 6: Final answer
    x = 617,890,335.30

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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.