Home / 1,192,521,974.81-1,789,148,025.98-610,668,194.81

Finding the Fourth Proportional to 1,192,521,974.81, 1,789,148,025.98 and 610,668,194.81

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Solution

The fourth proportional to 1,192,521,974.81, 1,789,148,025.98 and 610,668,194.81 is: 916,189,234.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,521,974.81 : 1,789,148,025.98 = 610,668,194.81 : x
  2. Step 2: Convert to fraction form
    1,192,521,974.81/1,789,148,025.98 = 610,668,194.81/x
  3. Step 3: Cross multiply
    1,192,521,974.81x = 1,789,148,025.98 × 610,668,194.81
  4. Step 4: Simplify right side
    1,192,521,974.81x = 1,092,575,795,261,082,368
  5. Step 5: Solve for x
    x = 1,092,575,795,261,082,368/1,192,521,974.81
  6. Step 6: Final answer
    x = 916,189,234.53

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1.5x scale

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.