Home / 525,942,828.12-725,624,851.32-302,920,043.88

Finding the Fourth Proportional to 525,942,828.12, 725,624,851.32 and 302,920,043.88

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Solution

The fourth proportional to 525,942,828.12, 725,624,851.32 and 302,920,043.88 is: 417,928,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,942,828.12 : 725,624,851.32 = 302,920,043.88 : x
  2. Step 2: Convert to fraction form
    525,942,828.12/725,624,851.32 = 302,920,043.88/x
  3. Step 3: Cross multiply
    525,942,828.12x = 725,624,851.32 × 302,920,043.88
  4. Step 4: Simplify right side
    525,942,828.12x = 219,806,311,802,272,896
  5. Step 5: Solve for x
    x = 219,806,311,802,272,896/525,942,828.12
  6. Step 6: Final answer
    x = 417,928,147.41

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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.