Home / 915,556,758.68-1,263,715,300.26-598,010,270.84

Finding the Fourth Proportional to 915,556,758.68, 1,263,715,300.26 and 598,010,270.84

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Solution

The fourth proportional to 915,556,758.68, 1,263,715,300.26 and 598,010,270.84 is: 825,415,488.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,556,758.68 : 1,263,715,300.26 = 598,010,270.84 : x
  2. Step 2: Convert to fraction form
    915,556,758.68/1,263,715,300.26 = 598,010,270.84/x
  3. Step 3: Cross multiply
    915,556,758.68x = 1,263,715,300.26 × 598,010,270.84
  4. Step 4: Simplify right side
    915,556,758.68x = 755,714,728,973,134,592
  5. Step 5: Solve for x
    x = 755,714,728,973,134,592/915,556,758.68
  6. Step 6: Final answer
    x = 825,415,488.24

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Double scale
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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.