Home / 1,307,676,649.77-1,961,522,199.25-325,103,190.44

Finding the Fourth Proportional to 1,307,676,649.77, 1,961,522,199.25 and 325,103,190.44

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Solution

The fourth proportional to 1,307,676,649.77, 1,961,522,199.25 and 325,103,190.44 is: 487,656,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,676,649.77 : 1,961,522,199.25 = 325,103,190.44 : x
  2. Step 2: Convert to fraction form
    1,307,676,649.77/1,961,522,199.25 = 325,103,190.44/x
  3. Step 3: Cross multiply
    1,307,676,649.77x = 1,961,522,199.25 × 325,103,190.44
  4. Step 4: Simplify right side
    1,307,676,649.77x = 637,697,125,084,439,936
  5. Step 5: Solve for x
    x = 637,697,125,084,439,936/1,307,676,649.77
  6. Step 6: Final answer
    x = 487,656,581.77

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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.