Home / 1,370,286,690.48-1,890,944,997.59-743,741,666.33

Finding the Fourth Proportional to 1,370,286,690.48, 1,890,944,997.59 and 743,741,666.33

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Solution

The fourth proportional to 1,370,286,690.48, 1,890,944,997.59 and 743,741,666.33 is: 1,026,336,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,286,690.48 : 1,890,944,997.59 = 743,741,666.33 : x
  2. Step 2: Convert to fraction form
    1,370,286,690.48/1,890,944,997.59 = 743,741,666.33/x
  3. Step 3: Cross multiply
    1,370,286,690.48x = 1,890,944,997.59 × 743,741,666.33
  4. Step 4: Simplify right side
    1,370,286,690.48x = 1,406,374,583,438,369,024
  5. Step 5: Solve for x
    x = 1,406,374,583,438,369,024/1,370,286,690.48
  6. Step 6: Final answer
    x = 1,026,336,016.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.