Home / 28,575,824,889.80-42,854,560,749.18-9,427,131,709.76

Finding the Fourth Proportional to 28,575,824,889.80, 42,854,560,749.18 and 9,427,131,709.76

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Solution

The fourth proportional to 28,575,824,889.80, 42,854,560,749.18 and 9,427,131,709.76 is: 14,137,670,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575,824,889.80 : 42,854,560,749.18 = 9,427,131,709.76 : x
  2. Step 2: Convert to fraction form
    28,575,824,889.80/42,854,560,749.18 = 9,427,131,709.76/x
  3. Step 3: Cross multiply
    28,575,824,889.80x = 42,854,560,749.18 × 9,427,131,709.76
  4. Step 4: Simplify right side
    28,575,824,889.80x = 403,995,588,546,431,025,152
  5. Step 5: Solve for x
    x = 403,995,588,546,431,025,152/28,575,824,889.80
  6. Step 6: Final answer
    x = 14,137,670,219.65

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1.5x scale

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.