Home / 877,561,738.02-1,315,959,922.08-331,920,634.50

Finding the Fourth Proportional to 877,561,738.02, 1,315,959,922.08 and 331,920,634.50

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Solution

The fourth proportional to 877,561,738.02, 1,315,959,922.08 and 331,920,634.50 is: 497,736,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,561,738.02 : 1,315,959,922.08 = 331,920,634.50 : x
  2. Step 2: Convert to fraction form
    877,561,738.02/1,315,959,922.08 = 331,920,634.50/x
  3. Step 3: Cross multiply
    877,561,738.02x = 1,315,959,922.08 × 331,920,634.50
  4. Step 4: Simplify right side
    877,561,738.02x = 436,794,252,313,364,160
  5. Step 5: Solve for x
    x = 436,794,252,313,364,160/877,561,738.02
  6. Step 6: Final answer
    x = 497,736,208.62

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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.