Home / 25,707,556,965.60-38,561,335,448.40-18,197,657,906.40

Finding the Fourth Proportional to 25,707,556,965.60, 38,561,335,448.40 and 18,197,657,906.40

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Solution

The fourth proportional to 25,707,556,965.60, 38,561,335,448.40 and 18,197,657,906.40 is: 27,296,486,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,707,556,965.60 : 38,561,335,448.40 = 18,197,657,906.40 : x
  2. Step 2: Convert to fraction form
    25,707,556,965.60/38,561,335,448.40 = 18,197,657,906.40/x
  3. Step 3: Cross multiply
    25,707,556,965.60x = 38,561,335,448.40 × 18,197,657,906.40
  4. Step 4: Simplify right side
    25,707,556,965.60x = 701,725,990,903,918,886,912
  5. Step 5: Solve for x
    x = 701,725,990,903,918,886,912/25,707,556,965.60
  6. Step 6: Final answer
    x = 27,296,486,859.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.