Home / 1,405,770,057,268.60-1,939,807,567,511.70-788,345,717,498.80

Finding the Fourth Proportional to 1,405,770,057,268.60, 1,939,807,567,511.70 and 788,345,717,498.80

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Solution

The fourth proportional to 1,405,770,057,268.60, 1,939,807,567,511.70 and 788,345,717,498.80 is: 1,087,830,104,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,770,057,268.60 : 1,939,807,567,511.70 = 788,345,717,498.80 : x
  2. Step 2: Convert to fraction form
    1,405,770,057,268.60/1,939,807,567,511.70 = 788,345,717,498.80/x
  3. Step 3: Cross multiply
    1,405,770,057,268.60x = 1,939,807,567,511.70 × 788,345,717,498.80
  4. Step 4: Simplify right side
    1,405,770,057,268.60x = 1,529,238,988,619,613,076,455,424
  5. Step 5: Solve for x
    x = 1,529,238,988,619,613,076,455,424/1,405,770,057,268.60
  6. Step 6: Final answer
    x = 1,087,830,104,726.31

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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.