Home / 2,315,412,881.28-3,195,289,956.96-1,258,140,850.56

Finding the Fourth Proportional to 2,315,412,881.28, 3,195,289,956.96 and 1,258,140,850.56

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Solution

The fourth proportional to 2,315,412,881.28, 3,195,289,956.96 and 1,258,140,850.56 is: 1,736,245,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,412,881.28 : 3,195,289,956.96 = 1,258,140,850.56 : x
  2. Step 2: Convert to fraction form
    2,315,412,881.28/3,195,289,956.96 = 1,258,140,850.56/x
  3. Step 3: Cross multiply
    2,315,412,881.28x = 3,195,289,956.96 × 1,258,140,850.56
  4. Step 4: Simplify right side
    2,315,412,881.28x = 4,020,124,824,235,480,064
  5. Step 5: Solve for x
    x = 4,020,124,824,235,480,064/2,315,412,881.28
  6. Step 6: Final answer
    x = 1,736,245,339.54

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1.5x scale

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.