Home / 880,751,838.30-1,321,642,923.10-328,435,835.82

Finding the Fourth Proportional to 880,751,838.30, 1,321,642,923.10 and 328,435,835.82

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Solution

The fourth proportional to 880,751,838.30, 1,321,642,923.10 and 328,435,835.82 is: 492,845,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,751,838.30 : 1,321,642,923.10 = 328,435,835.82 : x
  2. Step 2: Convert to fraction form
    880,751,838.30/1,321,642,923.10 = 328,435,835.82/x
  3. Step 3: Cross multiply
    880,751,838.30x = 1,321,642,923.10 × 328,435,835.82
  4. Step 4: Simplify right side
    880,751,838.30x = 434,074,898,103,936,448
  5. Step 5: Solve for x
    x = 434,074,898,103,936,448/880,751,838.30
  6. Step 6: Final answer
    x = 492,845,861.03

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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.