Home / 1,428,197,605.70-2,142,296,408.55-1,010,980,991.30

Finding the Fourth Proportional to 1,428,197,605.70, 2,142,296,408.55 and 1,010,980,991.30

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Solution

The fourth proportional to 1,428,197,605.70, 2,142,296,408.55 and 1,010,980,991.30 is: 1,516,471,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,197,605.70 : 2,142,296,408.55 = 1,010,980,991.30 : x
  2. Step 2: Convert to fraction form
    1,428,197,605.70/2,142,296,408.55 = 1,010,980,991.30/x
  3. Step 3: Cross multiply
    1,428,197,605.70x = 2,142,296,408.55 × 1,010,980,991.30
  4. Step 4: Simplify right side
    1,428,197,605.70x = 2,165,820,946,774,308,608
  5. Step 5: Solve for x
    x = 2,165,820,946,774,308,608/1,428,197,605.70
  6. Step 6: Final answer
    x = 1,516,471,486.95

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Double scale
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Similar ratio
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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.