Home / 551,657,412.96-761,292,514.45-304,147,644

Finding the Fourth Proportional to 551,657,412.96, 761,292,514.45 and 304,147,644

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Solution

The fourth proportional to 551,657,412.96, 761,292,514.45 and 304,147,644 is: 419,726,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,657,412.96 : 761,292,514.45 = 304,147,644 : x
  2. Step 2: Convert to fraction form
    551,657,412.96/761,292,514.45 = 304,147,644/x
  3. Step 3: Cross multiply
    551,657,412.96x = 761,292,514.45 × 304,147,644
  4. Step 4: Simplify right side
    551,657,412.96x = 231,545,324,664,803,456
  5. Step 5: Solve for x
    x = 231,545,324,664,803,456/551,657,412.96
  6. Step 6: Final answer
    x = 419,726,662.28

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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.