Home / 860,556,483.26-1,291,098,164.02-440,675,146.79

Finding the Fourth Proportional to 860,556,483.26, 1,291,098,164.02 and 440,675,146.79

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Solution

The fourth proportional to 860,556,483.26, 1,291,098,164.02 and 440,675,146.79 is: 661,147,622.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,556,483.26 : 1,291,098,164.02 = 440,675,146.79 : x
  2. Step 2: Convert to fraction form
    860,556,483.26/1,291,098,164.02 = 440,675,146.79/x
  3. Step 3: Cross multiply
    860,556,483.26x = 1,291,098,164.02 × 440,675,146.79
  4. Step 4: Simplify right side
    860,556,483.26x = 568,954,872,942,255,808
  5. Step 5: Solve for x
    x = 568,954,872,942,255,808/860,556,483.26
  6. Step 6: Final answer
    x = 661,147,622.51

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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.