Home / 739,883,430.21-1,109,493,436.19-440,893,367.67

Finding the Fourth Proportional to 739,883,430.21, 1,109,493,436.19 and 440,893,367.67

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Solution

The fourth proportional to 739,883,430.21, 1,109,493,436.19 and 440,893,367.67 is: 661,142,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,883,430.21 : 1,109,493,436.19 = 440,893,367.67 : x
  2. Step 2: Convert to fraction form
    739,883,430.21/1,109,493,436.19 = 440,893,367.67/x
  3. Step 3: Cross multiply
    739,883,430.21x = 1,109,493,436.19 × 440,893,367.67
  4. Step 4: Simplify right side
    739,883,430.21x = 489,168,297,491,482,944
  5. Step 5: Solve for x
    x = 489,168,297,491,482,944/739,883,430.21
  6. Step 6: Final answer
    x = 661,142,387.46

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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.