Home / 1,643,921,231.61-2,465,881,799.77-758,344,577.50

Finding the Fourth Proportional to 1,643,921,231.61, 2,465,881,799.77 and 758,344,577.50

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Solution

The fourth proportional to 1,643,921,231.61, 2,465,881,799.77 and 758,344,577.50 is: 1,137,516,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,921,231.61 : 2,465,881,799.77 = 758,344,577.50 : x
  2. Step 2: Convert to fraction form
    1,643,921,231.61/2,465,881,799.77 = 758,344,577.50/x
  3. Step 3: Cross multiply
    1,643,921,231.61x = 2,465,881,799.77 × 758,344,577.50
  4. Step 4: Simplify right side
    1,643,921,231.61x = 1,869,988,091,611,520,256
  5. Step 5: Solve for x
    x = 1,869,988,091,611,520,256/1,643,921,231.61
  6. Step 6: Final answer
    x = 1,137,516,844.27

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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.