Home / 1,951,121,938.64-2,927,257,829.88-785,990,866.64

Finding the Fourth Proportional to 1,951,121,938.64, 2,927,257,829.88 and 785,990,866.64

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Solution

The fourth proportional to 1,951,121,938.64, 2,927,257,829.88 and 785,990,866.64 is: 1,179,217,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,121,938.64 : 2,927,257,829.88 = 785,990,866.64 : x
  2. Step 2: Convert to fraction form
    1,951,121,938.64/2,927,257,829.88 = 785,990,866.64/x
  3. Step 3: Cross multiply
    1,951,121,938.64x = 2,927,257,829.88 × 785,990,866.64
  4. Step 4: Simplify right side
    1,951,121,938.64x = 2,300,797,918,586,106,880
  5. Step 5: Solve for x
    x = 2,300,797,918,586,106,880/1,951,121,938.64
  6. Step 6: Final answer
    x = 1,179,217,901.77

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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.