Home / 1,240,035,458.39-1,860,322,529.30-453,087,847.00

Finding the Fourth Proportional to 1,240,035,458.39, 1,860,322,529.30 and 453,087,847.00

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Solution

The fourth proportional to 1,240,035,458.39, 1,860,322,529.30 and 453,087,847.00 is: 679,730,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,035,458.39 : 1,860,322,529.30 = 453,087,847.00 : x
  2. Step 2: Convert to fraction form
    1,240,035,458.39/1,860,322,529.30 = 453,087,847.00/x
  3. Step 3: Cross multiply
    1,240,035,458.39x = 1,860,322,529.30 × 453,087,847.00
  4. Step 4: Simplify right side
    1,240,035,458.39x = 842,889,529,519,215,232
  5. Step 5: Solve for x
    x = 842,889,529,519,215,232/1,240,035,458.39
  6. Step 6: Final answer
    x = 679,730,183.37

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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.