Home / 2,815,974,246.74-3,886,240,876.32-1,861,697,011.01

Finding the Fourth Proportional to 2,815,974,246.74, 3,886,240,876.32 and 1,861,697,011.01

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Solution

The fourth proportional to 2,815,974,246.74, 3,886,240,876.32 and 1,861,697,011.01 is: 2,569,271,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,974,246.74 : 3,886,240,876.32 = 1,861,697,011.01 : x
  2. Step 2: Convert to fraction form
    2,815,974,246.74/3,886,240,876.32 = 1,861,697,011.01/x
  3. Step 3: Cross multiply
    2,815,974,246.74x = 3,886,240,876.32 × 1,861,697,011.01
  4. Step 4: Simplify right side
    2,815,974,246.74x = 7,235,003,023,490,396,160
  5. Step 5: Solve for x
    x = 7,235,003,023,490,396,160/2,815,974,246.74
  6. Step 6: Final answer
    x = 2,569,271,729.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.