Home / 1,181,952,505.80-1,772,928,758.70-716,362,950.60

Finding the Fourth Proportional to 1,181,952,505.80, 1,772,928,758.70 and 716,362,950.60

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Solution

The fourth proportional to 1,181,952,505.80, 1,772,928,758.70 and 716,362,950.60 is: 1,074,544,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,952,505.80 : 1,772,928,758.70 = 716,362,950.60 : x
  2. Step 2: Convert to fraction form
    1,181,952,505.80/1,772,928,758.70 = 716,362,950.60/x
  3. Step 3: Cross multiply
    1,181,952,505.80x = 1,772,928,758.70 × 716,362,950.60
  4. Step 4: Simplify right side
    1,181,952,505.80x = 1,270,060,476,785,927,424
  5. Step 5: Solve for x
    x = 1,270,060,476,785,927,424/1,181,952,505.80
  6. Step 6: Final answer
    x = 1,074,544,425.90

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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.