Home / 919,712,033.70-1,379,501,318.76-359,368,500.75

Finding the Fourth Proportional to 919,712,033.70, 1,379,501,318.76 and 359,368,500.75

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Solution

The fourth proportional to 919,712,033.70, 1,379,501,318.76 and 359,368,500.75 is: 539,026,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,712,033.70 : 1,379,501,318.76 = 359,368,500.75 : x
  2. Step 2: Convert to fraction form
    919,712,033.70/1,379,501,318.76 = 359,368,500.75/x
  3. Step 3: Cross multiply
    919,712,033.70x = 1,379,501,318.76 × 359,368,500.75
  4. Step 4: Simplify right side
    919,712,033.70x = 495,749,320,705,429,056
  5. Step 5: Solve for x
    x = 495,749,320,705,429,056/919,712,033.70
  6. Step 6: Final answer
    x = 539,026,676.33

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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.