Home / 1,138,526,901,649.20-1,571,196,032,578.60-624,692,559,939.30

Finding the Fourth Proportional to 1,138,526,901,649.20, 1,571,196,032,578.60 and 624,692,559,939.30

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Solution

The fourth proportional to 1,138,526,901,649.20, 1,571,196,032,578.60 and 624,692,559,939.30 is: 862,091,594,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,526,901,649.20 : 1,571,196,032,578.60 = 624,692,559,939.30 : x
  2. Step 2: Convert to fraction form
    1,138,526,901,649.20/1,571,196,032,578.60 = 624,692,559,939.30/x
  3. Step 3: Cross multiply
    1,138,526,901,649.20x = 1,571,196,032,578.60 × 624,692,559,939.30
  4. Step 4: Simplify right side
    1,138,526,901,649.20x = 981,514,471,757,997,519,405,056
  5. Step 5: Solve for x
    x = 981,514,471,757,997,519,405,056/1,138,526,901,649.20
  6. Step 6: Final answer
    x = 862,091,594,266.45

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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.