Home / 860,556,451.94-1,291,098,117.06-440,675,115.46

Finding the Fourth Proportional to 860,556,451.94, 1,291,098,117.06 and 440,675,115.46

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Solution

The fourth proportional to 860,556,451.94, 1,291,098,117.06 and 440,675,115.46 is: 661,147,575.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,556,451.94 : 1,291,098,117.06 = 440,675,115.46 : x
  2. Step 2: Convert to fraction form
    860,556,451.94/1,291,098,117.06 = 440,675,115.46/x
  3. Step 3: Cross multiply
    860,556,451.94x = 1,291,098,117.06 × 440,675,115.46
  4. Step 4: Simplify right side
    860,556,451.94x = 568,954,811,802,437,120
  5. Step 5: Solve for x
    x = 568,954,811,802,437,120/860,556,451.94
  6. Step 6: Final answer
    x = 661,147,575.53

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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.