Home / 837,210,636.68-1,256,005,148.97-276,971,151.55

Finding the Fourth Proportional to 837,210,636.68, 1,256,005,148.97 and 276,971,151.55

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Solution

The fourth proportional to 837,210,636.68, 1,256,005,148.97 and 276,971,151.55 is: 415,519,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,210,636.68 : 1,256,005,148.97 = 276,971,151.55 : x
  2. Step 2: Convert to fraction form
    837,210,636.68/1,256,005,148.97 = 276,971,151.55/x
  3. Step 3: Cross multiply
    837,210,636.68x = 1,256,005,148.97 × 276,971,151.55
  4. Step 4: Simplify right side
    837,210,636.68x = 347,877,192,459,810,240
  5. Step 5: Solve for x
    x = 347,877,192,459,810,240/837,210,636.68
  6. Step 6: Final answer
    x = 415,519,317.63

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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.