Home / 1,932,317,832.20-2,898,959,637.90-622,343,323.40

Finding the Fourth Proportional to 1,932,317,832.20, 2,898,959,637.90 and 622,343,323.40

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Solution

The fourth proportional to 1,932,317,832.20, 2,898,959,637.90 and 622,343,323.40 is: 933,670,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,317,832.20 : 2,898,959,637.90 = 622,343,323.40 : x
  2. Step 2: Convert to fraction form
    1,932,317,832.20/2,898,959,637.90 = 622,343,323.40/x
  3. Step 3: Cross multiply
    1,932,317,832.20x = 2,898,959,637.90 × 622,343,323.40
  4. Step 4: Simplify right side
    1,932,317,832.20x = 1,804,148,175,453,146,624
  5. Step 5: Solve for x
    x = 1,804,148,175,453,146,624/1,932,317,832.20
  6. Step 6: Final answer
    x = 933,670,509.78

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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.