Home / 788,622,538.64-1,182,900,924.96-206,343,892.58

Finding the Fourth Proportional to 788,622,538.64, 1,182,900,924.96 and 206,343,892.58

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Solution

The fourth proportional to 788,622,538.64, 1,182,900,924.96 and 206,343,892.58 is: 309,507,234.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,622,538.64 : 1,182,900,924.96 = 206,343,892.58 : x
  2. Step 2: Convert to fraction form
    788,622,538.64/1,182,900,924.96 = 206,343,892.58/x
  3. Step 3: Cross multiply
    788,622,538.64x = 1,182,900,924.96 × 206,343,892.58
  4. Step 4: Simplify right side
    788,622,538.64x = 244,084,381,386,814,368
  5. Step 5: Solve for x
    x = 244,084,381,386,814,368/788,622,538.64
  6. Step 6: Final answer
    x = 309,507,234.99

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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.