Home / 358,571,969.63-494,816,254.07-199,793,888.81

Finding the Fourth Proportional to 358,571,969.63, 494,816,254.07 and 199,793,888.81

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Solution

The fourth proportional to 358,571,969.63, 494,816,254.07 and 199,793,888.81 is: 275,708,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571,969.63 : 494,816,254.07 = 199,793,888.81 : x
  2. Step 2: Convert to fraction form
    358,571,969.63/494,816,254.07 = 199,793,888.81/x
  3. Step 3: Cross multiply
    358,571,969.63x = 494,816,254.07 × 199,793,888.81
  4. Step 4: Simplify right side
    358,571,969.63x = 98,861,263,643,569,248
  5. Step 5: Solve for x
    x = 98,861,263,643,569,248/358,571,969.63
  6. Step 6: Final answer
    x = 275,708,287.37

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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.