Home / 660,997,972.26-991,461,077.49-200,900,269.50

Finding the Fourth Proportional to 660,997,972.26, 991,461,077.49 and 200,900,269.50

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Solution

The fourth proportional to 660,997,972.26, 991,461,077.49 and 200,900,269.50 is: 301,339,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,997,972.26 : 991,461,077.49 = 200,900,269.50 : x
  2. Step 2: Convert to fraction form
    660,997,972.26/991,461,077.49 = 200,900,269.50/x
  3. Step 3: Cross multiply
    660,997,972.26x = 991,461,077.49 × 200,900,269.50
  4. Step 4: Simplify right side
    660,997,972.26x = 199,184,797,666,501,376
  5. Step 5: Solve for x
    x = 199,184,797,666,501,376/660,997,972.26
  6. Step 6: Final answer
    x = 301,339,498.80

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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.