Home / 1,305,066,118.32-1,801,163,235.96-783,578,942.64

Finding the Fourth Proportional to 1,305,066,118.32, 1,801,163,235.96 and 783,578,942.64

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Solution

The fourth proportional to 1,305,066,118.32, 1,801,163,235.96 and 783,578,942.64 is: 1,081,442,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,066,118.32 : 1,801,163,235.96 = 783,578,942.64 : x
  2. Step 2: Convert to fraction form
    1,305,066,118.32/1,801,163,235.96 = 783,578,942.64/x
  3. Step 3: Cross multiply
    1,305,066,118.32x = 1,801,163,235.96 × 783,578,942.64
  4. Step 4: Simplify right side
    1,305,066,118.32x = 1,411,353,583,955,577,600
  5. Step 5: Solve for x
    x = 1,411,353,583,955,577,600/1,305,066,118.32
  6. Step 6: Final answer
    x = 1,081,442,207.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.