Home / 774,507,726.48-1,162,104,663.80-405,955,090.48

Finding the Fourth Proportional to 774,507,726.48, 1,162,104,663.80 and 405,955,090.48

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Solution

The fourth proportional to 774,507,726.48, 1,162,104,663.80 and 405,955,090.48 is: 609,112,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,507,726.48 : 1,162,104,663.80 = 405,955,090.48 : x
  2. Step 2: Convert to fraction form
    774,507,726.48/1,162,104,663.80 = 405,955,090.48/x
  3. Step 3: Cross multiply
    774,507,726.48x = 1,162,104,663.80 × 405,955,090.48
  4. Step 4: Simplify right side
    774,507,726.48x = 471,762,303,940,158,976
  5. Step 5: Solve for x
    x = 471,762,303,940,158,976/774,507,726.48
  6. Step 6: Final answer
    x = 609,112,456.61

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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.