Home / 298,490,260,359.60-447,735,390,539.40-245,491,137,464.40

Finding the Fourth Proportional to 298,490,260,359.60, 447,735,390,539.40 and 245,491,137,464.40

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Solution

The fourth proportional to 298,490,260,359.60, 447,735,390,539.40 and 245,491,137,464.40 is: 368,236,706,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,490,260,359.60 : 447,735,390,539.40 = 245,491,137,464.40 : x
  2. Step 2: Convert to fraction form
    298,490,260,359.60/447,735,390,539.40 = 245,491,137,464.40/x
  3. Step 3: Cross multiply
    298,490,260,359.60x = 447,735,390,539.40 × 245,491,137,464.40
  4. Step 4: Simplify right side
    298,490,260,359.60x = 109,915,070,306,584,667,095,040
  5. Step 5: Solve for x
    x = 109,915,070,306,584,667,095,040/298,490,260,359.60
  6. Step 6: Final answer
    x = 368,236,706,196.60

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1.5x scale

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.