Home / 1,000,618,364,257.10-1,380,756,855,139.60-561,173,588,704.55

Finding the Fourth Proportional to 1,000,618,364,257.10, 1,380,756,855,139.60 and 561,173,588,704.55

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Solution

The fourth proportional to 1,000,618,364,257.10, 1,380,756,855,139.60 and 561,173,588,704.55 is: 774,365,439,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,618,364,257.10 : 1,380,756,855,139.60 = 561,173,588,704.55 : x
  2. Step 2: Convert to fraction form
    1,000,618,364,257.10/1,380,756,855,139.60 = 561,173,588,704.55/x
  3. Step 3: Cross multiply
    1,000,618,364,257.10x = 1,380,756,855,139.60 × 561,173,588,704.55
  4. Step 4: Simplify right side
    1,000,618,364,257.10x = 774,844,279,527,097,952,632,832
  5. Step 5: Solve for x
    x = 774,844,279,527,097,952,632,832/1,000,618,364,257.10
  6. Step 6: Final answer
    x = 774,365,439,617.31

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Double scale
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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.