Home / 660,907,372,457.88-991,563,379,948.32-338,438,506,036.35

Finding the Fourth Proportional to 660,907,372,457.88, 991,563,379,948.32 and 338,438,506,036.35

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Solution

The fourth proportional to 660,907,372,457.88, 991,563,379,948.32 and 338,438,506,036.35 is: 507,761,364,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,907,372,457.88 : 991,563,379,948.32 = 338,438,506,036.35 : x
  2. Step 2: Convert to fraction form
    660,907,372,457.88/991,563,379,948.32 = 338,438,506,036.35/x
  3. Step 3: Cross multiply
    660,907,372,457.88x = 991,563,379,948.32 × 338,438,506,036.35
  4. Step 4: Simplify right side
    660,907,372,457.88x = 335,583,228,950,063,058,255,872
  5. Step 5: Solve for x
    x = 335,583,228,950,063,058,255,872/660,907,372,457.88
  6. Step 6: Final answer
    x = 507,761,364,050.23

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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.