Home / 12,754,594,811.70-19,131,892,217.55-3,911,363,427.60

Finding the Fourth Proportional to 12,754,594,811.70, 19,131,892,217.55 and 3,911,363,427.60

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Solution

The fourth proportional to 12,754,594,811.70, 19,131,892,217.55 and 3,911,363,427.60 is: 5,867,045,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,594,811.70 : 19,131,892,217.55 = 3,911,363,427.60 : x
  2. Step 2: Convert to fraction form
    12,754,594,811.70/19,131,892,217.55 = 3,911,363,427.60/x
  3. Step 3: Cross multiply
    12,754,594,811.70x = 19,131,892,217.55 × 3,911,363,427.60
  4. Step 4: Simplify right side
    12,754,594,811.70x = 74,831,783,520,510,132,224
  5. Step 5: Solve for x
    x = 74,831,783,520,510,132,224/12,754,594,811.70
  6. Step 6: Final answer
    x = 5,867,045,141.40

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1.5x scale

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.