Home / 680,162,480.90-1,019,769,376.09-301,368,692.92

Finding the Fourth Proportional to 680,162,480.90, 1,019,769,376.09 and 301,368,692.92

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Solution

The fourth proportional to 680,162,480.90, 1,019,769,376.09 and 301,368,692.92 is: 451,842,864.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,162,480.90 : 1,019,769,376.09 = 301,368,692.92 : x
  2. Step 2: Convert to fraction form
    680,162,480.90/1,019,769,376.09 = 301,368,692.92/x
  3. Step 3: Cross multiply
    680,162,480.90x = 1,019,769,376.09 × 301,368,692.92
  4. Step 4: Simplify right side
    680,162,480.90x = 307,326,563,953,129,792
  5. Step 5: Solve for x
    x = 307,326,563,953,129,792/680,162,480.90
  6. Step 6: Final answer
    x = 451,842,864.88

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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.