Home / 605,345,485.20-908,018,227.80-168,713,559.60

Finding the Fourth Proportional to 605,345,485.20, 908,018,227.80 and 168,713,559.60

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Solution

The fourth proportional to 605,345,485.20, 908,018,227.80 and 168,713,559.60 is: 253,070,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,345,485.20 : 908,018,227.80 = 168,713,559.60 : x
  2. Step 2: Convert to fraction form
    605,345,485.20/908,018,227.80 = 168,713,559.60/x
  3. Step 3: Cross multiply
    605,345,485.20x = 908,018,227.80 × 168,713,559.60
  4. Step 4: Simplify right side
    605,345,485.20x = 153,194,987,393,821,664
  5. Step 5: Solve for x
    x = 153,194,987,393,821,664/605,345,485.20
  6. Step 6: Final answer
    x = 253,070,339.40

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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.