Home / 553,800,303.45-764,078,502.87-318,844,922.94

Finding the Fourth Proportional to 553,800,303.45, 764,078,502.87 and 318,844,922.94

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Solution

The fourth proportional to 553,800,303.45, 764,078,502.87 and 318,844,922.94 is: 439,910,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,800,303.45 : 764,078,502.87 = 318,844,922.94 : x
  2. Step 2: Convert to fraction form
    553,800,303.45/764,078,502.87 = 318,844,922.94/x
  3. Step 3: Cross multiply
    553,800,303.45x = 764,078,502.87 × 318,844,922.94
  4. Step 4: Simplify right side
    553,800,303.45x = 243,622,551,367,695,712
  5. Step 5: Solve for x
    x = 243,622,551,367,695,712/553,800,303.45
  6. Step 6: Final answer
    x = 439,910,469.26

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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.