Home / 660,997,840.16-991,460,879.16-200,900,137.20

Finding the Fourth Proportional to 660,997,840.16, 991,460,879.16 and 200,900,137.20

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Solution

The fourth proportional to 660,997,840.16, 991,460,879.16 and 200,900,137.20 is: 301,339,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,997,840.16 : 991,460,879.16 = 200,900,137.20 : x
  2. Step 2: Convert to fraction form
    660,997,840.16/991,460,879.16 = 200,900,137.20/x
  3. Step 3: Cross multiply
    660,997,840.16x = 991,460,879.16 × 200,900,137.20
  4. Step 4: Simplify right side
    660,997,840.16x = 199,184,626,651,676,608
  5. Step 5: Solve for x
    x = 199,184,626,651,676,608/660,997,840.16
  6. Step 6: Final answer
    x = 301,339,300.30

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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.