Home / 13,985,971,066.89-20,971,295,208.82-6,887,845,064.32

Finding the Fourth Proportional to 13,985,971,066.89, 20,971,295,208.82 and 6,887,845,064.32

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Solution

The fourth proportional to 13,985,971,066.89, 20,971,295,208.82 and 6,887,845,064.32 is: 10,327,994,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985,971,066.89 : 20,971,295,208.82 = 6,887,845,064.32 : x
  2. Step 2: Convert to fraction form
    13,985,971,066.89/20,971,295,208.82 = 6,887,845,064.32/x
  3. Step 3: Cross multiply
    13,985,971,066.89x = 20,971,295,208.82 × 6,887,845,064.32
  4. Step 4: Simplify right side
    13,985,971,066.89x = 144,447,032,196,402,298,880
  5. Step 5: Solve for x
    x = 144,447,032,196,402,298,880/13,985,971,066.89
  6. Step 6: Final answer
    x = 10,327,994,495.74

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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.