Home / 1,151,286,612.76-1,588,775,513.31-622,650,598.84

Finding the Fourth Proportional to 1,151,286,612.76, 1,588,775,513.31 and 622,650,598.84

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Solution

The fourth proportional to 1,151,286,612.76, 1,588,775,513.31 and 622,650,598.84 is: 859,257,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,286,612.76 : 1,588,775,513.31 = 622,650,598.84 : x
  2. Step 2: Convert to fraction form
    1,151,286,612.76/1,588,775,513.31 = 622,650,598.84/x
  3. Step 3: Cross multiply
    1,151,286,612.76x = 1,588,775,513.31 × 622,650,598.84
  4. Step 4: Simplify right side
    1,151,286,612.76x = 989,252,024,790,956,288
  5. Step 5: Solve for x
    x = 989,252,024,790,956,288/1,151,286,612.76
  6. Step 6: Final answer
    x = 859,257,819.75

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Double scale
Find fourth proportional to 1,151,286,613.76, 1,588,775,514.69 and 622,650,599.84
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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.