Home / 627,178,530.32-940,566,389.18-206,905,428.96

Finding the Fourth Proportional to 627,178,530.32, 940,566,389.18 and 206,905,428.96

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Solution

The fourth proportional to 627,178,530.32, 940,566,389.18 and 206,905,428.96 is: 310,291,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,178,530.32 : 940,566,389.18 = 206,905,428.96 : x
  2. Step 2: Convert to fraction form
    627,178,530.32/940,566,389.18 = 206,905,428.96/x
  3. Step 3: Cross multiply
    627,178,530.32x = 940,566,389.18 × 206,905,428.96
  4. Step 4: Simplify right side
    627,178,530.32x = 194,608,292,220,546,880
  5. Step 5: Solve for x
    x = 194,608,292,220,546,880/627,178,530.32
  6. Step 6: Final answer
    x = 310,291,699.75

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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.