Home / 65,678,465,983.70-98,507,744,817.46-17,875,200,509.55

Finding the Fourth Proportional to 65,678,465,983.70, 98,507,744,817.46 and 17,875,200,509.55

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Solution

The fourth proportional to 65,678,465,983.70, 98,507,744,817.46 and 17,875,200,509.55 is: 26,810,091,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,678,465,983.70 : 98,507,744,817.46 = 17,875,200,509.55 : x
  2. Step 2: Convert to fraction form
    65,678,465,983.70/98,507,744,817.46 = 17,875,200,509.55/x
  3. Step 3: Cross multiply
    65,678,465,983.70x = 98,507,744,817.46 × 17,875,200,509.55
  4. Step 4: Simplify right side
    65,678,465,983.70x = 1,760,845,690,355,682,377,728
  5. Step 5: Solve for x
    x = 1,760,845,690,355,682,377,728/65,678,465,983.70
  6. Step 6: Final answer
    x = 26,810,091,618.05

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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.