Home / 1,643,921,233.62-2,465,881,802.78-758,344,579.50

Finding the Fourth Proportional to 1,643,921,233.62, 2,465,881,802.78 and 758,344,579.50

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Solution

The fourth proportional to 1,643,921,233.62, 2,465,881,802.78 and 758,344,579.50 is: 1,137,516,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,921,233.62 : 2,465,881,802.78 = 758,344,579.50 : x
  2. Step 2: Convert to fraction form
    1,643,921,233.62/2,465,881,802.78 = 758,344,579.50/x
  3. Step 3: Cross multiply
    1,643,921,233.62x = 2,465,881,802.78 × 758,344,579.50
  4. Step 4: Simplify right side
    1,643,921,233.62x = 1,869,988,098,825,901,312
  5. Step 5: Solve for x
    x = 1,869,988,098,825,901,312/1,643,921,233.62
  6. Step 6: Final answer
    x = 1,137,516,847.27

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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.