Home / 1,107,262,411.92-1,660,992,820.20-320,303,704.32

Finding the Fourth Proportional to 1,107,262,411.92, 1,660,992,820.20 and 320,303,704.32

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Solution

The fourth proportional to 1,107,262,411.92, 1,660,992,820.20 and 320,303,704.32 is: 480,484,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,262,411.92 : 1,660,992,820.20 = 320,303,704.32 : x
  2. Step 2: Convert to fraction form
    1,107,262,411.92/1,660,992,820.20 = 320,303,704.32/x
  3. Step 3: Cross multiply
    1,107,262,411.92x = 1,660,992,820.20 × 320,303,704.32
  4. Step 4: Simplify right side
    1,107,262,411.92x = 532,022,153,158,983,744
  5. Step 5: Solve for x
    x = 532,022,153,158,983,744/1,107,262,411.92
  6. Step 6: Final answer
    x = 480,484,253.26

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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.