Home / 607,362,448.21-838,160,986.85-328,904,451.97

Finding the Fourth Proportional to 607,362,448.21, 838,160,986.85 and 328,904,451.97

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Solution

The fourth proportional to 607,362,448.21, 838,160,986.85 and 328,904,451.97 is: 453,888,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,362,448.21 : 838,160,986.85 = 328,904,451.97 : x
  2. Step 2: Convert to fraction form
    607,362,448.21/838,160,986.85 = 328,904,451.97/x
  3. Step 3: Cross multiply
    607,362,448.21x = 838,160,986.85 × 328,904,451.97
  4. Step 4: Simplify right side
    607,362,448.21x = 275,674,880,040,889,152
  5. Step 5: Solve for x
    x = 275,674,880,040,889,152/607,362,448.21
  6. Step 6: Final answer
    x = 453,888,581.44

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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.