Home / 1,370,286,694.23-1,890,945,002.76-743,741,670.08

Finding the Fourth Proportional to 1,370,286,694.23, 1,890,945,002.76 and 743,741,670.08

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Solution

The fourth proportional to 1,370,286,694.23, 1,890,945,002.76 and 743,741,670.08 is: 1,026,336,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,286,694.23 : 1,890,945,002.76 = 743,741,670.08 : x
  2. Step 2: Convert to fraction form
    1,370,286,694.23/1,890,945,002.76 = 743,741,670.08/x
  3. Step 3: Cross multiply
    1,370,286,694.23x = 1,890,945,002.76 × 743,741,670.08
  4. Step 4: Simplify right side
    1,370,286,694.23x = 1,406,374,594,372,697,856
  5. Step 5: Solve for x
    x = 1,406,374,594,372,697,856/1,370,286,694.23
  6. Step 6: Final answer
    x = 1,026,336,021.72

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Double scale
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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.