Home / 1,257,389,413,794.10-1,886,084,120,691.20-691,208,328,200.55

Finding the Fourth Proportional to 1,257,389,413,794.10, 1,886,084,120,691.20 and 691,208,328,200.55

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Solution

The fourth proportional to 1,257,389,413,794.10, 1,886,084,120,691.20 and 691,208,328,200.55 is: 1,036,812,492,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,389,413,794.10 : 1,886,084,120,691.20 = 691,208,328,200.55 : x
  2. Step 2: Convert to fraction form
    1,257,389,413,794.10/1,886,084,120,691.20 = 691,208,328,200.55/x
  3. Step 3: Cross multiply
    1,257,389,413,794.10x = 1,886,084,120,691.20 × 691,208,328,200.55
  4. Step 4: Simplify right side
    1,257,389,413,794.10x = 1,303,677,051,908,568,666,603,520
  5. Step 5: Solve for x
    x = 1,303,677,051,908,568,666,603,520/1,257,389,413,794.10
  6. Step 6: Final answer
    x = 1,036,812,492,300.85

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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.