Home / 1,237,455,250.98-1,707,649,153.29-680,536,575.78

Finding the Fourth Proportional to 1,237,455,250.98, 1,707,649,153.29 and 680,536,575.78

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Solution

The fourth proportional to 1,237,455,250.98, 1,707,649,153.29 and 680,536,575.78 is: 939,118,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,455,250.98 : 1,707,649,153.29 = 680,536,575.78 : x
  2. Step 2: Convert to fraction form
    1,237,455,250.98/1,707,649,153.29 = 680,536,575.78/x
  3. Step 3: Cross multiply
    1,237,455,250.98x = 1,707,649,153.29 × 680,536,575.78
  4. Step 4: Simplify right side
    1,237,455,250.98x = 1,162,117,707,413,592,832
  5. Step 5: Solve for x
    x = 1,162,117,707,413,592,832/1,237,455,250.98
  6. Step 6: Final answer
    x = 939,118,975.41

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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.