Home / 656,854,898.56-906,462,161.43-355,440,211.64

Finding the Fourth Proportional to 656,854,898.56, 906,462,161.43 and 355,440,211.64

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Solution

The fourth proportional to 656,854,898.56, 906,462,161.43 and 355,440,211.64 is: 490,508,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,854,898.56 : 906,462,161.43 = 355,440,211.64 : x
  2. Step 2: Convert to fraction form
    656,854,898.56/906,462,161.43 = 355,440,211.64/x
  3. Step 3: Cross multiply
    656,854,898.56x = 906,462,161.43 × 355,440,211.64
  4. Step 4: Simplify right side
    656,854,898.56x = 322,193,102,499,315,520
  5. Step 5: Solve for x
    x = 322,193,102,499,315,520/656,854,898.56
  6. Step 6: Final answer
    x = 490,508,791.52

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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.