Home / 384,969,620.20-577,454,430.30-371,364,730.60

Finding the Fourth Proportional to 384,969,620.20, 577,454,430.30 and 371,364,730.60

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Solution

The fourth proportional to 384,969,620.20, 577,454,430.30 and 371,364,730.60 is: 557,047,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,969,620.20 : 577,454,430.30 = 371,364,730.60 : x
  2. Step 2: Convert to fraction form
    384,969,620.20/577,454,430.30 = 371,364,730.60/x
  3. Step 3: Cross multiply
    384,969,620.20x = 577,454,430.30 × 371,364,730.60
  4. Step 4: Simplify right side
    384,969,620.20x = 214,446,208,942,135,968
  5. Step 5: Solve for x
    x = 214,446,208,942,135,968/384,969,620.20
  6. Step 6: Final answer
    x = 557,047,095.90

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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.