Home / 1,150,401,036.70-1,725,601,555.05-798,374,518.30

Finding the Fourth Proportional to 1,150,401,036.70, 1,725,601,555.05 and 798,374,518.30

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Solution

The fourth proportional to 1,150,401,036.70, 1,725,601,555.05 and 798,374,518.30 is: 1,197,561,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,401,036.70 : 1,725,601,555.05 = 798,374,518.30 : x
  2. Step 2: Convert to fraction form
    1,150,401,036.70/1,725,601,555.05 = 798,374,518.30/x
  3. Step 3: Cross multiply
    1,150,401,036.70x = 1,725,601,555.05 × 798,374,518.30
  4. Step 4: Simplify right side
    1,150,401,036.70x = 1,377,676,310,290,774,528
  5. Step 5: Solve for x
    x = 1,377,676,310,290,774,528/1,150,401,036.70
  6. Step 6: Final answer
    x = 1,197,561,777.45

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Half scale
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Double scale
Find fourth proportional to 1,150,401,037.70, 1,725,601,556.55 and 798,374,519.30
Similar ratio
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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.