Home / 397,029,762.60-595,544,643.90-120,680,442.60

Finding the Fourth Proportional to 397,029,762.60, 595,544,643.90 and 120,680,442.60

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Solution

The fourth proportional to 397,029,762.60, 595,544,643.90 and 120,680,442.60 is: 181,020,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,029,762.60 : 595,544,643.90 = 120,680,442.60 : x
  2. Step 2: Convert to fraction form
    397,029,762.60/595,544,643.90 = 120,680,442.60/x
  3. Step 3: Cross multiply
    397,029,762.60x = 595,544,643.90 × 120,680,442.60
  4. Step 4: Simplify right side
    397,029,762.60x = 71,870,591,213,911,384
  5. Step 5: Solve for x
    x = 71,870,591,213,911,384/397,029,762.60
  6. Step 6: Final answer
    x = 181,020,663.90

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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.