Home / 1,159,724,926.44-1,600,420,659.48-638,204,158.44

Finding the Fourth Proportional to 1,159,724,926.44, 1,600,420,659.48 and 638,204,158.44

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Solution

The fourth proportional to 1,159,724,926.44, 1,600,420,659.48 and 638,204,158.44 is: 880,721,882.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,724,926.44 : 1,600,420,659.48 = 638,204,158.44 : x
  2. Step 2: Convert to fraction form
    1,159,724,926.44/1,600,420,659.48 = 638,204,158.44/x
  3. Step 3: Cross multiply
    1,159,724,926.44x = 1,600,420,659.48 × 638,204,158.44
  4. Step 4: Simplify right side
    1,159,724,926.44x = 1,021,395,120,133,423,360
  5. Step 5: Solve for x
    x = 1,021,395,120,133,423,360/1,159,724,926.44
  6. Step 6: Final answer
    x = 880,721,882.27

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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.