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Finding the Fourth Proportional to 559,873,998.40, 839,810,997.60 and 537,199,182.40

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Solution

The fourth proportional to 559,873,998.40, 839,810,997.60 and 537,199,182.40 is: 805,798,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,873,998.40 : 839,810,997.60 = 537,199,182.40 : x
  2. Step 2: Convert to fraction form
    559,873,998.40/839,810,997.60 = 537,199,182.40/x
  3. Step 3: Cross multiply
    559,873,998.40x = 839,810,997.60 × 537,199,182.40
  4. Step 4: Simplify right side
    559,873,998.40x = 451,145,781,281,248,384
  5. Step 5: Solve for x
    x = 451,145,781,281,248,384/559,873,998.40
  6. Step 6: Final answer
    x = 805,798,773.60

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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.