Home / 433,649,184.35-649,684,586.64-387,158,725.67

Finding the Fourth Proportional to 433,649,184.35, 649,684,586.64 and 387,158,725.67

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Solution

The fourth proportional to 433,649,184.35, 649,684,586.64 and 387,158,725.67 is: 580,033,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,649,184.35 : 649,684,586.64 = 387,158,725.67 : x
  2. Step 2: Convert to fraction form
    433,649,184.35/649,684,586.64 = 387,158,725.67/x
  3. Step 3: Cross multiply
    433,649,184.35x = 649,684,586.64 × 387,158,725.67
  4. Step 4: Simplify right side
    433,649,184.35x = 251,531,056,650,983,104
  5. Step 5: Solve for x
    x = 251,531,056,650,983,104/433,649,184.35
  6. Step 6: Final answer
    x = 580,033,505.72

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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.