Home / 648,421,161.34-894,810,520.47-351,061,025.98

Finding the Fourth Proportional to 648,421,161.34, 894,810,520.47 and 351,061,025.98

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Solution

The fourth proportional to 648,421,161.34, 894,810,520.47 and 351,061,025.98 is: 484,458,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,421,161.34 : 894,810,520.47 = 351,061,025.98 : x
  2. Step 2: Convert to fraction form
    648,421,161.34/894,810,520.47 = 351,061,025.98/x
  3. Step 3: Cross multiply
    648,421,161.34x = 894,810,520.47 × 351,061,025.98
  4. Step 4: Simplify right side
    648,421,161.34x = 314,133,099,373,896,000
  5. Step 5: Solve for x
    x = 314,133,099,373,896,000/648,421,161.34
  6. Step 6: Final answer
    x = 484,458,432.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.