Home / 1,951,121,985.64-2,927,257,900.38-785,990,913.64

Finding the Fourth Proportional to 1,951,121,985.64, 2,927,257,900.38 and 785,990,913.64

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Solution

The fourth proportional to 1,951,121,985.64, 2,927,257,900.38 and 785,990,913.64 is: 1,179,217,972.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,121,985.64 : 2,927,257,900.38 = 785,990,913.64 : x
  2. Step 2: Convert to fraction form
    1,951,121,985.64/2,927,257,900.38 = 785,990,913.64/x
  3. Step 3: Cross multiply
    1,951,121,985.64x = 2,927,257,900.38 × 785,990,913.64
  4. Step 4: Simplify right side
    1,951,121,985.64x = 2,300,798,111,579,584,256
  5. Step 5: Solve for x
    x = 2,300,798,111,579,584,256/1,951,121,985.64
  6. Step 6: Final answer
    x = 1,179,217,972.28

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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.