Home / 459,609,001.88-634,456,129.44-308,989,011.83

Finding the Fourth Proportional to 459,609,001.88, 634,456,129.44 and 308,989,011.83

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Solution

The fourth proportional to 459,609,001.88, 634,456,129.44 and 308,989,011.83 is: 426,536,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,609,001.88 : 634,456,129.44 = 308,989,011.83 : x
  2. Step 2: Convert to fraction form
    459,609,001.88/634,456,129.44 = 308,989,011.83/x
  3. Step 3: Cross multiply
    459,609,001.88x = 634,456,129.44 × 308,989,011.83
  4. Step 4: Simplify right side
    459,609,001.88x = 196,039,972,481,979,904
  5. Step 5: Solve for x
    x = 196,039,972,481,979,904/459,609,001.88
  6. Step 6: Final answer
    x = 426,536,407.43

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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.