Home / 1,536,113,287.44-2,119,836,339-831,265,268.58

Finding the Fourth Proportional to 1,536,113,287.44, 2,119,836,339 and 831,265,268.58

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Solution

The fourth proportional to 1,536,113,287.44, 2,119,836,339 and 831,265,268.58 is: 1,147,146,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,113,287.44 : 2,119,836,339 = 831,265,268.58 : x
  2. Step 2: Convert to fraction form
    1,536,113,287.44/2,119,836,339 = 831,265,268.58/x
  3. Step 3: Cross multiply
    1,536,113,287.44x = 2,119,836,339 × 831,265,268.58
  4. Step 4: Simplify right side
    1,536,113,287.44x = 1,762,146,323,684,478,976
  5. Step 5: Solve for x
    x = 1,762,146,323,684,478,976/1,536,113,287.44
  6. Step 6: Final answer
    x = 1,147,146,071.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.