Home / 284,957,600,301.95-427,508,750,018.67-131,912,826,379.46

Finding the Fourth Proportional to 284,957,600,301.95, 427,508,750,018.67 and 131,912,826,379.46

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Solution

The fourth proportional to 284,957,600,301.95, 427,508,750,018.67 and 131,912,826,379.46 is: 197,902,731,694.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,957,600,301.95 : 427,508,750,018.67 = 131,912,826,379.46 : x
  2. Step 2: Convert to fraction form
    284,957,600,301.95/427,508,750,018.67 = 131,912,826,379.46/x
  3. Step 3: Cross multiply
    284,957,600,301.95x = 427,508,750,018.67 × 131,912,826,379.46
  4. Step 4: Simplify right side
    284,957,600,301.95x = 56,393,887,516,912,781,361,152
  5. Step 5: Solve for x
    x = 56,393,887,516,912,781,361,152/284,957,600,301.95
  6. Step 6: Final answer
    x = 197,902,731,694.67

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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.