Home / 628,845,915.89-867,810,805.65-364,684,530.02

Finding the Fourth Proportional to 628,845,915.89, 867,810,805.65 and 364,684,530.02

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Solution

The fourth proportional to 628,845,915.89, 867,810,805.65 and 364,684,530.02 is: 503,266,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,845,915.89 : 867,810,805.65 = 364,684,530.02 : x
  2. Step 2: Convert to fraction form
    628,845,915.89/867,810,805.65 = 364,684,530.02/x
  3. Step 3: Cross multiply
    628,845,915.89x = 867,810,805.65 × 364,684,530.02
  4. Step 4: Simplify right side
    628,845,915.89x = 316,477,175,800,408,704
  5. Step 5: Solve for x
    x = 316,477,175,800,408,704/628,845,915.89
  6. Step 6: Final answer
    x = 503,266,647.37

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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.