Home / 3,545,856,021.20-5,318,784,031.80-960,926,997.20

Finding the Fourth Proportional to 3,545,856,021.20, 5,318,784,031.80 and 960,926,997.20

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Solution

The fourth proportional to 3,545,856,021.20, 5,318,784,031.80 and 960,926,997.20 is: 1,441,390,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545,856,021.20 : 5,318,784,031.80 = 960,926,997.20 : x
  2. Step 2: Convert to fraction form
    3,545,856,021.20/5,318,784,031.80 = 960,926,997.20/x
  3. Step 3: Cross multiply
    3,545,856,021.20x = 5,318,784,031.80 × 960,926,997.20
  4. Step 4: Simplify right side
    3,545,856,021.20x = 5,110,963,168,432,883,712
  5. Step 5: Solve for x
    x = 5,110,963,168,432,883,712/3,545,856,021.20
  6. Step 6: Final answer
    x = 1,441,390,495.80

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Half scale
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Double scale
Find fourth proportional to 3,545,856,022.20, 5,318,784,033.30 and 960,926,998.20
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.