Home / 2,631,038,685.16-3,946,800,624.38-860,418,588.60

Finding the Fourth Proportional to 2,631,038,685.16, 3,946,800,624.38 and 860,418,588.60

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Solution

The fourth proportional to 2,631,038,685.16, 3,946,800,624.38 and 860,418,588.60 is: 1,290,707,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,038,685.16 : 3,946,800,624.38 = 860,418,588.60 : x
  2. Step 2: Convert to fraction form
    2,631,038,685.16/3,946,800,624.38 = 860,418,588.60/x
  3. Step 3: Cross multiply
    2,631,038,685.16x = 3,946,800,624.38 × 860,418,588.60
  4. Step 4: Simplify right side
    2,631,038,685.16x = 3,395,900,622,714,638,336
  5. Step 5: Solve for x
    x = 3,395,900,622,714,638,336/2,631,038,685.16
  6. Step 6: Final answer
    x = 1,290,707,218.36

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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.