Home / 1,045,353,724.31-1,568,023,611.15-423,559,782.70

Finding the Fourth Proportional to 1,045,353,724.31, 1,568,023,611.15 and 423,559,782.70

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Solution

The fourth proportional to 1,045,353,724.31, 1,568,023,611.15 and 423,559,782.70 is: 635,336,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,353,724.31 : 1,568,023,611.15 = 423,559,782.70 : x
  2. Step 2: Convert to fraction form
    1,045,353,724.31/1,568,023,611.15 = 423,559,782.70/x
  3. Step 3: Cross multiply
    1,045,353,724.31x = 1,568,023,611.15 × 423,559,782.70
  4. Step 4: Simplify right side
    1,045,353,724.31x = 664,151,739,999,323,264
  5. Step 5: Solve for x
    x = 664,151,739,999,323,264/1,045,353,724.31
  6. Step 6: Final answer
    x = 635,336,847.76

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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.