Home / 774,507,708.48-1,162,104,636.84-405,955,072.44

Finding the Fourth Proportional to 774,507,708.48, 1,162,104,636.84 and 405,955,072.44

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Solution

The fourth proportional to 774,507,708.48, 1,162,104,636.84 and 405,955,072.44 is: 609,112,429.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,507,708.48 : 1,162,104,636.84 = 405,955,072.44 : x
  2. Step 2: Convert to fraction form
    774,507,708.48/1,162,104,636.84 = 405,955,072.44/x
  3. Step 3: Cross multiply
    774,507,708.48x = 1,162,104,636.84 × 405,955,072.44
  4. Step 4: Simplify right side
    774,507,708.48x = 471,762,272,031,242,048
  5. Step 5: Solve for x
    x = 471,762,272,031,242,048/774,507,708.48
  6. Step 6: Final answer
    x = 609,112,429.57

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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.