Home / 837,756,723.27-1,256,214,656.03-488,115,784.47

Finding the Fourth Proportional to 837,756,723.27, 1,256,214,656.03 and 488,115,784.47

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Solution

The fourth proportional to 837,756,723.27, 1,256,214,656.03 and 488,115,784.47 is: 731,928,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,756,723.27 : 1,256,214,656.03 = 488,115,784.47 : x
  2. Step 2: Convert to fraction form
    837,756,723.27/1,256,214,656.03 = 488,115,784.47/x
  3. Step 3: Cross multiply
    837,756,723.27x = 1,256,214,656.03 × 488,115,784.47
  4. Step 4: Simplify right side
    837,756,723.27x = 613,178,202,288,354,176
  5. Step 5: Solve for x
    x = 613,178,202,288,354,176/837,756,723.27
  6. Step 6: Final answer
    x = 731,928,715.41

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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.