Home / 401,234,336.09-601,165,403.92-313,762,075.34

Finding the Fourth Proportional to 401,234,336.09, 601,165,403.92 and 313,762,075.34

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Solution

The fourth proportional to 401,234,336.09, 601,165,403.92 and 313,762,075.34 is: 470,106,588.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,234,336.09 : 601,165,403.92 = 313,762,075.34 : x
  2. Step 2: Convert to fraction form
    401,234,336.09/601,165,403.92 = 313,762,075.34/x
  3. Step 3: Cross multiply
    401,234,336.09x = 601,165,403.92 × 313,762,075.34
  4. Step 4: Simplify right side
    401,234,336.09x = 188,622,904,753,934,944
  5. Step 5: Solve for x
    x = 188,622,904,753,934,944/401,234,336.09
  6. Step 6: Final answer
    x = 470,106,588.07

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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.