Home / 307,642,021.80-461,463,032.70-296,892,479.40

Finding the Fourth Proportional to 307,642,021.80, 461,463,032.70 and 296,892,479.40

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Solution

The fourth proportional to 307,642,021.80, 461,463,032.70 and 296,892,479.40 is: 445,338,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,642,021.80 : 461,463,032.70 = 296,892,479.40 : x
  2. Step 2: Convert to fraction form
    307,642,021.80/461,463,032.70 = 296,892,479.40/x
  3. Step 3: Cross multiply
    307,642,021.80x = 461,463,032.70 × 296,892,479.40
  4. Step 4: Simplify right side
    307,642,021.80x = 137,004,903,929,746,256
  5. Step 5: Solve for x
    x = 137,004,903,929,746,256/307,642,021.80
  6. Step 6: Final answer
    x = 445,338,719.10

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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.