Home / 982,399,556.60-1,356,323,221.34-625,368,783.08

Finding the Fourth Proportional to 982,399,556.60, 1,356,323,221.34 and 625,368,783.08

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Solution

The fourth proportional to 982,399,556.60, 1,356,323,221.34 and 625,368,783.08 is: 863,398,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,399,556.60 : 1,356,323,221.34 = 625,368,783.08 : x
  2. Step 2: Convert to fraction form
    982,399,556.60/1,356,323,221.34 = 625,368,783.08/x
  3. Step 3: Cross multiply
    982,399,556.60x = 1,356,323,221.34 × 625,368,783.08
  4. Step 4: Simplify right side
    982,399,556.60x = 848,202,202,392,541,312
  5. Step 5: Solve for x
    x = 848,202,202,392,541,312/982,399,556.60
  6. Step 6: Final answer
    x = 863,398,397.01

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1.5x scale

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.