Home / 330,985,980-456,760,630.80-191,837,454.84

Finding the Fourth Proportional to 330,985,980, 456,760,630.80 and 191,837,454.84

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Solution

The fourth proportional to 330,985,980, 456,760,630.80 and 191,837,454.84 is: 264,735,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,985,980 : 456,760,630.80 = 191,837,454.84 : x
  2. Step 2: Convert to fraction form
    330,985,980/456,760,630.80 = 191,837,454.84/x
  3. Step 3: Cross multiply
    330,985,980x = 456,760,630.80 × 191,837,454.84
  4. Step 4: Simplify right side
    330,985,980x = 87,623,796,883,784,912
  5. Step 5: Solve for x
    x = 87,623,796,883,784,912/330,985,980
  6. Step 6: Final answer
    x = 264,735,675.16

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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.