Home / 607,210,980.66-837,940,992.21-328,750,243.38

Finding the Fourth Proportional to 607,210,980.66, 837,940,992.21 and 328,750,243.38

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Solution

The fourth proportional to 607,210,980.66, 837,940,992.21 and 328,750,243.38 is: 453,669,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,210,980.66 : 837,940,992.21 = 328,750,243.38 : x
  2. Step 2: Convert to fraction form
    607,210,980.66/837,940,992.21 = 328,750,243.38/x
  3. Step 3: Cross multiply
    607,210,980.66x = 837,940,992.21 × 328,750,243.38
  4. Step 4: Simplify right side
    607,210,980.66x = 275,473,305,127,116,192
  5. Step 5: Solve for x
    x = 275,473,305,127,116,192/607,210,980.66
  6. Step 6: Final answer
    x = 453,669,834.54

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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.