Home / 1,219,673,750.88-1,683,143,861.78-691,036,698.72

Finding the Fourth Proportional to 1,219,673,750.88, 1,683,143,861.78 and 691,036,698.72

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Solution

The fourth proportional to 1,219,673,750.88, 1,683,143,861.78 and 691,036,698.72 is: 953,627,293.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,673,750.88 : 1,683,143,861.78 = 691,036,698.72 : x
  2. Step 2: Convert to fraction form
    1,219,673,750.88/1,683,143,861.78 = 691,036,698.72/x
  3. Step 3: Cross multiply
    1,219,673,750.88x = 1,683,143,861.78 × 691,036,698.72
  4. Step 4: Simplify right side
    1,219,673,750.88x = 1,163,114,177,715,283,200
  5. Step 5: Solve for x
    x = 1,163,114,177,715,283,200/1,219,673,750.88
  6. Step 6: Final answer
    x = 953,627,293.26

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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.