Home / 397,029,775.60-595,544,663.40-120,680,455.60

Finding the Fourth Proportional to 397,029,775.60, 595,544,663.40 and 120,680,455.60

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Solution

The fourth proportional to 397,029,775.60, 595,544,663.40 and 120,680,455.60 is: 181,020,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,029,775.60 : 595,544,663.40 = 120,680,455.60 : x
  2. Step 2: Convert to fraction form
    397,029,775.60/595,544,663.40 = 120,680,455.60/x
  3. Step 3: Cross multiply
    397,029,775.60x = 595,544,663.40 × 120,680,455.60
  4. Step 4: Simplify right side
    397,029,775.60x = 71,870,601,309,260,640
  5. Step 5: Solve for x
    x = 71,870,601,309,260,640/397,029,775.60
  6. Step 6: Final answer
    x = 181,020,683.40

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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.