Home / 470,071,474.80-648,014,951.91-328,503,170.34

Finding the Fourth Proportional to 470,071,474.80, 648,014,951.91 and 328,503,170.34

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Solution

The fourth proportional to 470,071,474.80, 648,014,951.91 and 328,503,170.34 is: 452,856,592.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,071,474.80 : 648,014,951.91 = 328,503,170.34 : x
  2. Step 2: Convert to fraction form
    470,071,474.80/648,014,951.91 = 328,503,170.34/x
  3. Step 3: Cross multiply
    470,071,474.80x = 648,014,951.91 × 328,503,170.34
  4. Step 4: Simplify right side
    470,071,474.80x = 212,874,966,130,157,600
  5. Step 5: Solve for x
    x = 212,874,966,130,157,600/470,071,474.80
  6. Step 6: Final answer
    x = 452,856,592.12

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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.