Home / 426,448,661.52-588,462,628.47-245,401,507.88

Finding the Fourth Proportional to 426,448,661.52, 588,462,628.47 and 245,401,507.88

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Solution

The fourth proportional to 426,448,661.52, 588,462,628.47 and 245,401,507.88 is: 338,633,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,448,661.52 : 588,462,628.47 = 245,401,507.88 : x
  2. Step 2: Convert to fraction form
    426,448,661.52/588,462,628.47 = 245,401,507.88/x
  3. Step 3: Cross multiply
    426,448,661.52x = 588,462,628.47 × 245,401,507.88
  4. Step 4: Simplify right side
    426,448,661.52x = 144,409,616,357,284,640
  5. Step 5: Solve for x
    x = 144,409,616,357,284,640/426,448,661.52
  6. Step 6: Final answer
    x = 338,633,062.75

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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.