Home / 631,016,402.22-946,543,886.19-216,487,408.77

Finding the Fourth Proportional to 631,016,402.22, 946,543,886.19 and 216,487,408.77

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Solution

The fourth proportional to 631,016,402.22, 946,543,886.19 and 216,487,408.77 is: 324,737,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,016,402.22 : 946,543,886.19 = 216,487,408.77 : x
  2. Step 2: Convert to fraction form
    631,016,402.22/946,543,886.19 = 216,487,408.77/x
  3. Step 3: Cross multiply
    631,016,402.22x = 946,543,886.19 × 216,487,408.77
  4. Step 4: Simplify right side
    631,016,402.22x = 204,914,833,208,358,912
  5. Step 5: Solve for x
    x = 204,914,833,208,358,912/631,016,402.22
  6. Step 6: Final answer
    x = 324,737,728.67

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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.