Home / 447,259,243,287.69-670,983,100,127.49-145,048,281,336.43

Finding the Fourth Proportional to 447,259,243,287.69, 670,983,100,127.49 and 145,048,281,336.43

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Solution

The fourth proportional to 447,259,243,287.69, 670,983,100,127.49 and 145,048,281,336.43 is: 217,602,982,922.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,259,243,287.69 : 670,983,100,127.49 = 145,048,281,336.43 : x
  2. Step 2: Convert to fraction form
    447,259,243,287.69/670,983,100,127.49 = 145,048,281,336.43/x
  3. Step 3: Cross multiply
    447,259,243,287.69x = 670,983,100,127.49 × 145,048,281,336.43
  4. Step 4: Simplify right side
    447,259,243,287.69x = 97,324,945,479,282,146,148,352
  5. Step 5: Solve for x
    x = 97,324,945,479,282,146,148,352/447,259,243,287.69
  6. Step 6: Final answer
    x = 217,602,982,922.99

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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.