Home / 330,986,128.76-456,760,836.05-191,837,603.74

Finding the Fourth Proportional to 330,986,128.76, 456,760,836.05 and 191,837,603.74

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Solution

The fourth proportional to 330,986,128.76, 456,760,836.05 and 191,837,603.74 is: 264,735,880.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,986,128.76 : 456,760,836.05 = 191,837,603.74 : x
  2. Step 2: Convert to fraction form
    330,986,128.76/456,760,836.05 = 191,837,603.74/x
  3. Step 3: Cross multiply
    330,986,128.76x = 456,760,836.05 × 191,837,603.74
  4. Step 4: Simplify right side
    330,986,128.76x = 87,623,904,270,111,008
  5. Step 5: Solve for x
    x = 87,623,904,270,111,008/330,986,128.76
  6. Step 6: Final answer
    x = 264,735,880.62

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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.