Home / 980,798,186,351.80-1,471,948,189,219.40-443,953,152,628.42

Finding the Fourth Proportional to 980,798,186,351.80, 1,471,948,189,219.40 and 443,953,152,628.42

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Solution

The fourth proportional to 980,798,186,351.80, 1,471,948,189,219.40 and 443,953,152,628.42 is: 666,269,624,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,798,186,351.80 : 1,471,948,189,219.40 = 443,953,152,628.42 : x
  2. Step 2: Convert to fraction form
    980,798,186,351.80/1,471,948,189,219.40 = 443,953,152,628.42/x
  3. Step 3: Cross multiply
    980,798,186,351.80x = 1,471,948,189,219.40 × 443,953,152,628.42
  4. Step 4: Simplify right side
    980,798,186,351.80x = 653,476,039,109,646,651,228,160
  5. Step 5: Solve for x
    x = 653,476,039,109,646,651,228,160/980,798,186,351.80
  6. Step 6: Final answer
    x = 666,269,624,274.42

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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.