Home / 1,213,652,115-1,674,844,359.66-656,735,167.80

Finding the Fourth Proportional to 1,213,652,115, 1,674,844,359.66 and 656,735,167.80

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Solution

The fourth proportional to 1,213,652,115, 1,674,844,359.66 and 656,735,167.80 is: 906,296,934.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,652,115 : 1,674,844,359.66 = 656,735,167.80 : x
  2. Step 2: Convert to fraction form
    1,213,652,115/1,674,844,359.66 = 656,735,167.80/x
  3. Step 3: Cross multiply
    1,213,652,115x = 1,674,844,359.66 × 656,735,167.80
  4. Step 4: Simplify right side
    1,213,652,115x = 1,099,929,191,580,193,664
  5. Step 5: Solve for x
    x = 1,099,929,191,580,193,664/1,213,652,115
  6. Step 6: Final answer
    x = 906,296,934.67

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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.