Home / 5,156,271,586.92-7,718,991,265.96-3,158,021,788.32

Finding the Fourth Proportional to 5,156,271,586.92, 7,718,991,265.96 and 3,158,021,788.32

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Solution

The fourth proportional to 5,156,271,586.92, 7,718,991,265.96 and 3,158,021,788.32 is: 4,727,590,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,271,586.92 : 7,718,991,265.96 = 3,158,021,788.32 : x
  2. Step 2: Convert to fraction form
    5,156,271,586.92/7,718,991,265.96 = 3,158,021,788.32/x
  3. Step 3: Cross multiply
    5,156,271,586.92x = 7,718,991,265.96 × 3,158,021,788.32
  4. Step 4: Simplify right side
    5,156,271,586.92x = 24,376,742,601,753,460,736
  5. Step 5: Solve for x
    x = 24,376,742,601,753,460,736/5,156,271,586.92
  6. Step 6: Final answer
    x = 4,727,590,894.09

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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.