Home / 1,231,394,907.96-1,699,347,053.52-674,442,082.80

Finding the Fourth Proportional to 1,231,394,907.96, 1,699,347,053.52 and 674,442,082.80

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Solution

The fourth proportional to 1,231,394,907.96, 1,699,347,053.52 and 674,442,082.80 is: 930,742,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,394,907.96 : 1,699,347,053.52 = 674,442,082.80 : x
  2. Step 2: Convert to fraction form
    1,231,394,907.96/1,699,347,053.52 = 674,442,082.80/x
  3. Step 3: Cross multiply
    1,231,394,907.96x = 1,699,347,053.52 × 674,442,082.80
  4. Step 4: Simplify right side
    1,231,394,907.96x = 1,146,111,166,176,071,808
  5. Step 5: Solve for x
    x = 1,146,111,166,176,071,808/1,231,394,907.96
  6. Step 6: Final answer
    x = 930,742,167.90

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Double scale
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1.5x scale

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.