Home / 1,000,618,364,269.80-1,380,756,855,157-561,173,588,717.20

Finding the Fourth Proportional to 1,000,618,364,269.80, 1,380,756,855,157 and 561,173,588,717.20

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Solution

The fourth proportional to 1,000,618,364,269.80, 1,380,756,855,157 and 561,173,588,717.20 is: 774,365,439,634.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,618,364,269.80 : 1,380,756,855,157 = 561,173,588,717.20 : x
  2. Step 2: Convert to fraction form
    1,000,618,364,269.80/1,380,756,855,157 = 561,173,588,717.20/x
  3. Step 3: Cross multiply
    1,000,618,364,269.80x = 1,380,756,855,157 × 561,173,588,717.20
  4. Step 4: Simplify right side
    1,000,618,364,269.80x = 774,844,279,554,328,716,378,112
  5. Step 5: Solve for x
    x = 774,844,279,554,328,716,378,112/1,000,618,364,269.80
  6. Step 6: Final answer
    x = 774,365,439,634.69

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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.