Home / 351,814,499.73-485,503,821.41-193,045,665.20

Finding the Fourth Proportional to 351,814,499.73, 485,503,821.41 and 193,045,665.20

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Solution

The fourth proportional to 351,814,499.73, 485,503,821.41 and 193,045,665.20 is: 266,402,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,814,499.73 : 485,503,821.41 = 193,045,665.20 : x
  2. Step 2: Convert to fraction form
    351,814,499.73/485,503,821.41 = 193,045,665.20/x
  3. Step 3: Cross multiply
    351,814,499.73x = 485,503,821.41 × 193,045,665.20
  4. Step 4: Simplify right side
    351,814,499.73x = 93,724,408,157,842,688
  5. Step 5: Solve for x
    x = 93,724,408,157,842,688/351,814,499.73
  6. Step 6: Final answer
    x = 266,402,914.69

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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.