Home / 393,408,029.20-590,106,514.20-177,996,931.60

Finding the Fourth Proportional to 393,408,029.20, 590,106,514.20 and 177,996,931.60

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Solution

The fourth proportional to 393,408,029.20, 590,106,514.20 and 177,996,931.60 is: 266,992,895.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,408,029.20 : 590,106,514.20 = 177,996,931.60 : x
  2. Step 2: Convert to fraction form
    393,408,029.20/590,106,514.20 = 177,996,931.60/x
  3. Step 3: Cross multiply
    393,408,029.20x = 590,106,514.20 × 177,996,931.60
  4. Step 4: Simplify right side
    393,408,029.20x = 105,037,148,844,771,840
  5. Step 5: Solve for x
    x = 105,037,148,844,771,840/393,408,029.20
  6. Step 6: Final answer
    x = 266,992,895.54

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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.