Home / 478,503,623.70-717,472,000.35-248,921,111.70

Finding the Fourth Proportional to 478,503,623.70, 717,472,000.35 and 248,921,111.70

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Solution

The fourth proportional to 478,503,623.70, 717,472,000.35 and 248,921,111.70 is: 373,234,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,503,623.70 : 717,472,000.35 = 248,921,111.70 : x
  2. Step 2: Convert to fraction form
    478,503,623.70/717,472,000.35 = 248,921,111.70/x
  3. Step 3: Cross multiply
    478,503,623.70x = 717,472,000.35 × 248,921,111.70
  4. Step 4: Simplify right side
    478,503,623.70x = 178,593,927,940,744,800
  5. Step 5: Solve for x
    x = 178,593,927,940,744,800/478,503,623.70
  6. Step 6: Final answer
    x = 373,234,222.47

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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.