Home / 1,694,139,405.12-2,539,012,076.64-760,773,061.44

Finding the Fourth Proportional to 1,694,139,405.12, 2,539,012,076.64 and 760,773,061.44

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Solution

The fourth proportional to 1,694,139,405.12, 2,539,012,076.64 and 760,773,061.44 is: 1,140,172,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,139,405.12 : 2,539,012,076.64 = 760,773,061.44 : x
  2. Step 2: Convert to fraction form
    1,694,139,405.12/2,539,012,076.64 = 760,773,061.44/x
  3. Step 3: Cross multiply
    1,694,139,405.12x = 2,539,012,076.64 × 760,773,061.44
  4. Step 4: Simplify right side
    1,694,139,405.12x = 1,931,611,990,578,544,640
  5. Step 5: Solve for x
    x = 1,931,611,990,578,544,640/1,694,139,405.12
  6. Step 6: Final answer
    x = 1,140,172,989.74

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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.