Home / 393,971,057.04-590,986,289.88-117,600,443.76

Finding the Fourth Proportional to 393,971,057.04, 590,986,289.88 and 117,600,443.76

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Solution

The fourth proportional to 393,971,057.04, 590,986,289.88 and 117,600,443.76 is: 176,409,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,971,057.04 : 590,986,289.88 = 117,600,443.76 : x
  2. Step 2: Convert to fraction form
    393,971,057.04/590,986,289.88 = 117,600,443.76/x
  3. Step 3: Cross multiply
    393,971,057.04x = 590,986,289.88 × 117,600,443.76
  4. Step 4: Simplify right side
    393,971,057.04x = 69,500,249,945,964,000
  5. Step 5: Solve for x
    x = 69,500,249,945,964,000/393,971,057.04
  6. Step 6: Final answer
    x = 176,409,532.39

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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.