Home / 900,455,316,944.33-1,242,628,337,383.40-515,079,662,795.77

Finding the Fourth Proportional to 900,455,316,944.33, 1,242,628,337,383.40 and 515,079,662,795.77

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Solution

The fourth proportional to 900,455,316,944.33, 1,242,628,337,383.40 and 515,079,662,795.77 is: 710,809,934,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,455,316,944.33 : 1,242,628,337,383.40 = 515,079,662,795.77 : x
  2. Step 2: Convert to fraction form
    900,455,316,944.33/1,242,628,337,383.40 = 515,079,662,795.77/x
  3. Step 3: Cross multiply
    900,455,316,944.33x = 1,242,628,337,383.40 × 515,079,662,795.77
  4. Step 4: Simplify right side
    900,455,316,944.33x = 640,052,584,999,909,907,759,104
  5. Step 5: Solve for x
    x = 640,052,584,999,909,907,759,104/900,455,316,944.33
  6. Step 6: Final answer
    x = 710,809,934,658.29

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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.