Home / 660,907,372,460.88-991,563,379,952.82-338,438,506,039.34

Finding the Fourth Proportional to 660,907,372,460.88, 991,563,379,952.82 and 338,438,506,039.34

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Solution

The fourth proportional to 660,907,372,460.88, 991,563,379,952.82 and 338,438,506,039.34 is: 507,761,364,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,907,372,460.88 : 991,563,379,952.82 = 338,438,506,039.34 : x
  2. Step 2: Convert to fraction form
    660,907,372,460.88/991,563,379,952.82 = 338,438,506,039.34/x
  3. Step 3: Cross multiply
    660,907,372,460.88x = 991,563,379,952.82 × 338,438,506,039.34
  4. Step 4: Simplify right side
    660,907,372,460.88x = 335,583,228,954,550,896,427,008
  5. Step 5: Solve for x
    x = 335,583,228,954,550,896,427,008/660,907,372,460.88
  6. Step 6: Final answer
    x = 507,761,364,054.71

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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.