Home / 988,857,007.20-1,483,521,706.80-298,771,027.20

Finding the Fourth Proportional to 988,857,007.20, 1,483,521,706.80 and 298,771,027.20

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Solution

The fourth proportional to 988,857,007.20, 1,483,521,706.80 and 298,771,027.20 is: 448,227,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,857,007.20 : 1,483,521,706.80 = 298,771,027.20 : x
  2. Step 2: Convert to fraction form
    988,857,007.20/1,483,521,706.80 = 298,771,027.20/x
  3. Step 3: Cross multiply
    988,857,007.20x = 1,483,521,706.80 × 298,771,027.20
  4. Step 4: Simplify right side
    988,857,007.20x = 443,233,304,214,133,184
  5. Step 5: Solve for x
    x = 443,233,304,214,133,184/988,857,007.20
  6. Step 6: Final answer
    x = 448,227,904.53

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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.