Home / 483,078,623.40-724,617,935.10-408,251,730.60

Finding the Fourth Proportional to 483,078,623.40, 724,617,935.10 and 408,251,730.60

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Solution

The fourth proportional to 483,078,623.40, 724,617,935.10 and 408,251,730.60 is: 612,377,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,078,623.40 : 724,617,935.10 = 408,251,730.60 : x
  2. Step 2: Convert to fraction form
    483,078,623.40/724,617,935.10 = 408,251,730.60/x
  3. Step 3: Cross multiply
    483,078,623.40x = 724,617,935.10 × 408,251,730.60
  4. Step 4: Simplify right side
    483,078,623.40x = 295,826,526,028,373,504
  5. Step 5: Solve for x
    x = 295,826,526,028,373,504/483,078,623.40
  6. Step 6: Final answer
    x = 612,377,595.90

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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.