Home / 670,081,664.88-1,005,135,093.36-210,009,648.24

Finding the Fourth Proportional to 670,081,664.88, 1,005,135,093.36 and 210,009,648.24

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Solution

The fourth proportional to 670,081,664.88, 1,005,135,093.36 and 210,009,648.24 is: 315,018,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,081,664.88 : 1,005,135,093.36 = 210,009,648.24 : x
  2. Step 2: Convert to fraction form
    670,081,664.88/1,005,135,093.36 = 210,009,648.24/x
  3. Step 3: Cross multiply
    670,081,664.88x = 1,005,135,093.36 × 210,009,648.24
  4. Step 4: Simplify right side
    670,081,664.88x = 211,088,067,390,213,184
  5. Step 5: Solve for x
    x = 211,088,067,390,213,184/670,081,664.88
  6. Step 6: Final answer
    x = 315,018,420.07

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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.