Home / 7,513,679,015.70-10,369,137,802.05-4,172,233,099.38

Finding the Fourth Proportional to 7,513,679,015.70, 10,369,137,802.05 and 4,172,233,099.38

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Solution

The fourth proportional to 7,513,679,015.70, 10,369,137,802.05 and 4,172,233,099.38 is: 5,757,826,473.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513,679,015.70 : 10,369,137,802.05 = 4,172,233,099.38 : x
  2. Step 2: Convert to fraction form
    7,513,679,015.70/10,369,137,802.05 = 4,172,233,099.38/x
  3. Step 3: Cross multiply
    7,513,679,015.70x = 10,369,137,802.05 × 4,172,233,099.38
  4. Step 4: Simplify right side
    7,513,679,015.70x = 43,262,459,949,745,389,568
  5. Step 5: Solve for x
    x = 43,262,459,949,745,389,568/7,513,679,015.70
  6. Step 6: Final answer
    x = 5,757,826,473.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.