Home / 1,378,199,046,527.30-1,902,081,460,865.40-784,398,993,030.85

Finding the Fourth Proportional to 1,378,199,046,527.30, 1,902,081,460,865.40 and 784,398,993,030.85

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Solution

The fourth proportional to 1,378,199,046,527.30, 1,902,081,460,865.40 and 784,398,993,030.85 is: 1,082,565,530,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,199,046,527.30 : 1,902,081,460,865.40 = 784,398,993,030.85 : x
  2. Step 2: Convert to fraction form
    1,378,199,046,527.30/1,902,081,460,865.40 = 784,398,993,030.85/x
  3. Step 3: Cross multiply
    1,378,199,046,527.30x = 1,902,081,460,865.40 × 784,398,993,030.85
  4. Step 4: Simplify right side
    1,378,199,046,527.30x = 1,491,990,782,565,467,727,855,616
  5. Step 5: Solve for x
    x = 1,491,990,782,565,467,727,855,616/1,378,199,046,527.30
  6. Step 6: Final answer
    x = 1,082,565,530,954.98

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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.