Home / 668,867,486.64-1,003,629,921.48-300,662,592

Finding the Fourth Proportional to 668,867,486.64, 1,003,629,921.48 and 300,662,592

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Solution

The fourth proportional to 668,867,486.64, 1,003,629,921.48 and 300,662,592 is: 451,141,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,867,486.64 : 1,003,629,921.48 = 300,662,592 : x
  2. Step 2: Convert to fraction form
    668,867,486.64/1,003,629,921.48 = 300,662,592/x
  3. Step 3: Cross multiply
    668,867,486.64x = 1,003,629,921.48 × 300,662,592
  4. Step 4: Simplify right side
    668,867,486.64x = 301,753,973,600,933,312
  5. Step 5: Solve for x
    x = 301,753,973,600,933,312/668,867,486.64
  6. Step 6: Final answer
    x = 451,141,638.11

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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.