Home / 40,311,143,879.60-60,466,715,819.40-18,228,896,404.40

Finding the Fourth Proportional to 40,311,143,879.60, 60,466,715,819.40 and 18,228,896,404.40

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Solution

The fourth proportional to 40,311,143,879.60, 60,466,715,819.40 and 18,228,896,404.40 is: 27,343,344,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311,143,879.60 : 60,466,715,819.40 = 18,228,896,404.40 : x
  2. Step 2: Convert to fraction form
    40,311,143,879.60/60,466,715,819.40 = 18,228,896,404.40/x
  3. Step 3: Cross multiply
    40,311,143,879.60x = 60,466,715,819.40 × 18,228,896,404.40
  4. Step 4: Simplify right side
    40,311,143,879.60x = 1,102,241,498,586,137,362,432
  5. Step 5: Solve for x
    x = 1,102,241,498,586,137,362,432/40,311,143,879.60
  6. Step 6: Final answer
    x = 27,343,344,606.60

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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.