Home / 775,883,986.32-1,162,815,454.26-315,283,677.96

Finding the Fourth Proportional to 775,883,986.32, 1,162,815,454.26 and 315,283,677.96

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Solution

The fourth proportional to 775,883,986.32, 1,162,815,454.26 and 315,283,677.96 is: 472,514,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,883,986.32 : 1,162,815,454.26 = 315,283,677.96 : x
  2. Step 2: Convert to fraction form
    775,883,986.32/1,162,815,454.26 = 315,283,677.96/x
  3. Step 3: Cross multiply
    775,883,986.32x = 1,162,815,454.26 × 315,283,677.96
  4. Step 4: Simplify right side
    775,883,986.32x = 366,616,733,209,343,744
  5. Step 5: Solve for x
    x = 366,616,733,209,343,744/775,883,986.32
  6. Step 6: Final answer
    x = 472,514,885.82

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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.