Home / 1,268,804,475.61-1,903,204,095.99-715,855,892.47

Finding the Fourth Proportional to 1,268,804,475.61, 1,903,204,095.99 and 715,855,892.47

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Solution

The fourth proportional to 1,268,804,475.61, 1,903,204,095.99 and 715,855,892.47 is: 1,073,782,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,804,475.61 : 1,903,204,095.99 = 715,855,892.47 : x
  2. Step 2: Convert to fraction form
    1,268,804,475.61/1,903,204,095.99 = 715,855,892.47/x
  3. Step 3: Cross multiply
    1,268,804,475.61x = 1,903,204,095.99 × 715,855,892.47
  4. Step 4: Simplify right side
    1,268,804,475.61x = 1,362,419,866,687,481,088
  5. Step 5: Solve for x
    x = 1,362,419,866,687,481,088/1,268,804,475.61
  6. Step 6: Final answer
    x = 1,073,782,361.96

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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.