Home / 566,139,025.44-781,296,993.36-318,636,410.40

Finding the Fourth Proportional to 566,139,025.44, 781,296,993.36 and 318,636,410.40

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Solution

The fourth proportional to 566,139,025.44, 781,296,993.36 and 318,636,410.40 is: 439,732,394.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,139,025.44 : 781,296,993.36 = 318,636,410.40 : x
  2. Step 2: Convert to fraction form
    566,139,025.44/781,296,993.36 = 318,636,410.40/x
  3. Step 3: Cross multiply
    566,139,025.44x = 781,296,993.36 × 318,636,410.40
  4. Step 4: Simplify right side
    566,139,025.44x = 248,949,669,420,543,008
  5. Step 5: Solve for x
    x = 248,949,669,420,543,008/566,139,025.44
  6. Step 6: Final answer
    x = 439,732,394.75

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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.