Home / 720,409,717,493.47-1,080,576,517,659-236,300,169,138.40

Finding the Fourth Proportional to 720,409,717,493.47, 1,080,576,517,659 and 236,300,169,138.40

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Solution

The fourth proportional to 720,409,717,493.47, 1,080,576,517,659 and 236,300,169,138.40 is: 354,437,770,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,409,717,493.47 : 1,080,576,517,659 = 236,300,169,138.40 : x
  2. Step 2: Convert to fraction form
    720,409,717,493.47/1,080,576,517,659 = 236,300,169,138.40/x
  3. Step 3: Cross multiply
    720,409,717,493.47x = 1,080,576,517,659 × 236,300,169,138.40
  4. Step 4: Simplify right side
    720,409,717,493.47x = 255,340,413,889,804,977,045,504
  5. Step 5: Solve for x
    x = 255,340,413,889,804,977,045,504/720,409,717,493.47
  6. Step 6: Final answer
    x = 354,437,770,187.52

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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.