Home / 393,492,551.94-543,067,598.25-228,480,116.58

Finding the Fourth Proportional to 393,492,551.94, 543,067,598.25 and 228,480,116.58

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Solution

The fourth proportional to 393,492,551.94, 543,067,598.25 and 228,480,116.58 is: 315,330,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,492,551.94 : 543,067,598.25 = 228,480,116.58 : x
  2. Step 2: Convert to fraction form
    393,492,551.94/543,067,598.25 = 228,480,116.58/x
  3. Step 3: Cross multiply
    393,492,551.94x = 543,067,598.25 × 228,480,116.58
  4. Step 4: Simplify right side
    393,492,551.94x = 124,080,148,158,980,608
  5. Step 5: Solve for x
    x = 124,080,148,158,980,608/393,492,551.94
  6. Step 6: Final answer
    x = 315,330,360.25

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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.