Home / 38,668,650,374,742-53,362,466,054,145-21,109,972,130,835

Finding the Fourth Proportional to 38,668,650,374,742, 53,362,466,054,145 and 21,109,972,130,835

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Solution

The fourth proportional to 38,668,650,374,742, 53,362,466,054,145 and 21,109,972,130,835 is: 29,131,613,343,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668,650,374,742 : 53,362,466,054,145 = 21,109,972,130,835 : x
  2. Step 2: Convert to fraction form
    38,668,650,374,742/53,362,466,054,145 = 21,109,972,130,835/x
  3. Step 3: Cross multiply
    38,668,650,374,742x = 53,362,466,054,145 × 21,109,972,130,835
  4. Step 4: Simplify right side
    38,668,650,374,742x = 1,126,480,171,235,629,652,338,802,688
  5. Step 5: Solve for x
    x = 1,126,480,171,235,629,652,338,802,688/38,668,650,374,742
  6. Step 6: Final answer
    x = 29,131,613,343,594.63

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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.