Home / 1,497,126,427.80-2,245,647,651.30-679,237,416.60

Finding the Fourth Proportional to 1,497,126,427.80, 2,245,647,651.30 and 679,237,416.60

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Solution

The fourth proportional to 1,497,126,427.80, 2,245,647,651.30 and 679,237,416.60 is: 1,018,837,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,126,427.80 : 2,245,647,651.30 = 679,237,416.60 : x
  2. Step 2: Convert to fraction form
    1,497,126,427.80/2,245,647,651.30 = 679,237,416.60/x
  3. Step 3: Cross multiply
    1,497,126,427.80x = 2,245,647,651.30 × 679,237,416.60
  4. Step 4: Simplify right side
    1,497,126,427.80x = 1,525,327,909,262,869,760
  5. Step 5: Solve for x
    x = 1,525,327,909,262,869,760/1,497,126,427.80
  6. Step 6: Final answer
    x = 1,018,837,074.10

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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.