Home / 12,595,352,921.84-18,893,100,009.72-4,201,235,507.36

Finding the Fourth Proportional to 12,595,352,921.84, 18,893,100,009.72 and 4,201,235,507.36

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Solution

The fourth proportional to 12,595,352,921.84, 18,893,100,009.72 and 4,201,235,507.36 is: 6,301,876,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595,352,921.84 : 18,893,100,009.72 = 4,201,235,507.36 : x
  2. Step 2: Convert to fraction form
    12,595,352,921.84/18,893,100,009.72 = 4,201,235,507.36/x
  3. Step 3: Cross multiply
    12,595,352,921.84x = 18,893,100,009.72 × 4,201,235,507.36
  4. Step 4: Simplify right side
    12,595,352,921.84x = 79,374,362,604,939,231,232
  5. Step 5: Solve for x
    x = 79,374,362,604,939,231,232/12,595,352,921.84
  6. Step 6: Final answer
    x = 6,301,876,818.97

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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.