Home / 3,545,856,009.40-5,318,784,014.10-2,149,087,343.80

Finding the Fourth Proportional to 3,545,856,009.40, 5,318,784,014.10 and 2,149,087,343.80

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Solution

The fourth proportional to 3,545,856,009.40, 5,318,784,014.10 and 2,149,087,343.80 is: 3,223,631,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545,856,009.40 : 5,318,784,014.10 = 2,149,087,343.80 : x
  2. Step 2: Convert to fraction form
    3,545,856,009.40/5,318,784,014.10 = 2,149,087,343.80/x
  3. Step 3: Cross multiply
    3,545,856,009.40x = 5,318,784,014.10 × 2,149,087,343.80
  4. Step 4: Simplify right side
    3,545,856,009.40x = 11,430,531,409,108,072,448
  5. Step 5: Solve for x
    x = 11,430,531,409,108,072,448/3,545,856,009.40
  6. Step 6: Final answer
    x = 3,223,631,015.70

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Double scale
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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.