Home / 886,491,975.64-1,223,480,450.10-510,140,826.76

Finding the Fourth Proportional to 886,491,975.64, 1,223,480,450.10 and 510,140,826.76

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Solution

The fourth proportional to 886,491,975.64, 1,223,480,450.10 and 510,140,826.76 is: 704,064,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,491,975.64 : 1,223,480,450.10 = 510,140,826.76 : x
  2. Step 2: Convert to fraction form
    886,491,975.64/1,223,480,450.10 = 510,140,826.76/x
  3. Step 3: Cross multiply
    886,491,975.64x = 1,223,480,450.10 × 510,140,826.76
  4. Step 4: Simplify right side
    886,491,975.64x = 624,147,328,338,710,912
  5. Step 5: Solve for x
    x = 624,147,328,338,710,912/886,491,975.64
  6. Step 6: Final answer
    x = 704,064,272.99

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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.