Home / 668,797,837.89-922,887,014.36-386,558,562.26

Finding the Fourth Proportional to 668,797,837.89, 922,887,014.36 and 386,558,562.26

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Solution

The fourth proportional to 668,797,837.89, 922,887,014.36 and 386,558,562.26 is: 533,419,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,797,837.89 : 922,887,014.36 = 386,558,562.26 : x
  2. Step 2: Convert to fraction form
    668,797,837.89/922,887,014.36 = 386,558,562.26/x
  3. Step 3: Cross multiply
    668,797,837.89x = 922,887,014.36 × 386,558,562.26
  4. Step 4: Simplify right side
    668,797,837.89x = 356,749,877,392,878,336
  5. Step 5: Solve for x
    x = 356,749,877,392,878,336/668,797,837.89
  6. Step 6: Final answer
    x = 533,419,603.33

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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.