Home / 470,071,473.30-648,014,949.84-328,503,168.84

Finding the Fourth Proportional to 470,071,473.30, 648,014,949.84 and 328,503,168.84

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Solution

The fourth proportional to 470,071,473.30, 648,014,949.84 and 328,503,168.84 is: 452,856,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,071,473.30 : 648,014,949.84 = 328,503,168.84 : x
  2. Step 2: Convert to fraction form
    470,071,473.30/648,014,949.84 = 328,503,168.84/x
  3. Step 3: Cross multiply
    470,071,473.30x = 648,014,949.84 × 328,503,168.84
  4. Step 4: Simplify right side
    470,071,473.30x = 212,874,964,478,133,632
  5. Step 5: Solve for x
    x = 212,874,964,478,133,632/470,071,473.30
  6. Step 6: Final answer
    x = 452,856,590.05

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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.