Home / 1,153,171,508,507.30-1,728,546,413,345.10-387,994,009,772.72

Finding the Fourth Proportional to 1,153,171,508,507.30, 1,728,546,413,345.10 and 387,994,009,772.72

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Solution

The fourth proportional to 1,153,171,508,507.30, 1,728,546,413,345.10 and 387,994,009,772.72 is: 581,583,614,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,171,508,507.30 : 1,728,546,413,345.10 = 387,994,009,772.72 : x
  2. Step 2: Convert to fraction form
    1,153,171,508,507.30/1,728,546,413,345.10 = 387,994,009,772.72/x
  3. Step 3: Cross multiply
    1,153,171,508,507.30x = 1,728,546,413,345.10 × 387,994,009,772.72
  4. Step 4: Simplify right side
    1,153,171,508,507.30x = 670,665,653,992,018,799,493,120
  5. Step 5: Solve for x
    x = 670,665,653,992,018,799,493,120/1,153,171,508,507.30
  6. Step 6: Final answer
    x = 581,583,614,444.44

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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.