Home / 393,408,032.20-590,106,518.70-177,996,934.60

Finding the Fourth Proportional to 393,408,032.20, 590,106,518.70 and 177,996,934.60

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Solution

The fourth proportional to 393,408,032.20, 590,106,518.70 and 177,996,934.60 is: 266,992,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,408,032.20 : 590,106,518.70 = 177,996,934.60 : x
  2. Step 2: Convert to fraction form
    393,408,032.20/590,106,518.70 = 177,996,934.60/x
  3. Step 3: Cross multiply
    393,408,032.20x = 590,106,518.70 × 177,996,934.60
  4. Step 4: Simplify right side
    393,408,032.20x = 105,037,151,416,077,584
  5. Step 5: Solve for x
    x = 105,037,151,416,077,584/393,408,032.20
  6. Step 6: Final answer
    x = 266,992,900.04

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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.