Home / 601,697,718.24-830,515,038-354,322,561.60

Finding the Fourth Proportional to 601,697,718.24, 830,515,038 and 354,322,561.60

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Solution

The fourth proportional to 601,697,718.24, 830,515,038 and 354,322,561.60 is: 489,066,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,697,718.24 : 830,515,038 = 354,322,561.60 : x
  2. Step 2: Convert to fraction form
    601,697,718.24/830,515,038 = 354,322,561.60/x
  3. Step 3: Cross multiply
    601,697,718.24x = 830,515,038 × 354,322,561.60
  4. Step 4: Simplify right side
    601,697,718.24x = 294,270,215,711,481,344
  5. Step 5: Solve for x
    x = 294,270,215,711,481,344/601,697,718.24
  6. Step 6: Final answer
    x = 489,066,530.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.