Home / 3,491,132,386.30-4,817,864,736.57-1,905,326,120.77

Finding the Fourth Proportional to 3,491,132,386.30, 4,817,864,736.57 and 1,905,326,120.77

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Solution

The fourth proportional to 3,491,132,386.30, 4,817,864,736.57 and 1,905,326,120.77 is: 2,629,405,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,132,386.30 : 4,817,864,736.57 = 1,905,326,120.77 : x
  2. Step 2: Convert to fraction form
    3,491,132,386.30/4,817,864,736.57 = 1,905,326,120.77/x
  3. Step 3: Cross multiply
    3,491,132,386.30x = 4,817,864,736.57 × 1,905,326,120.77
  4. Step 4: Simplify right side
    3,491,132,386.30x = 9,179,603,528,923,495,424
  5. Step 5: Solve for x
    x = 9,179,603,528,923,495,424/3,491,132,386.30
  6. Step 6: Final answer
    x = 2,629,405,738.08

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1.5x scale

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.