Home / 452,433,452.40-678,650,178.60-280,246,568.40

Finding the Fourth Proportional to 452,433,452.40, 678,650,178.60 and 280,246,568.40

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Solution

The fourth proportional to 452,433,452.40, 678,650,178.60 and 280,246,568.40 is: 420,369,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,433,452.40 : 678,650,178.60 = 280,246,568.40 : x
  2. Step 2: Convert to fraction form
    452,433,452.40/678,650,178.60 = 280,246,568.40/x
  3. Step 3: Cross multiply
    452,433,452.40x = 678,650,178.60 × 280,246,568.40
  4. Step 4: Simplify right side
    452,433,452.40x = 190,189,383,696,697,120
  5. Step 5: Solve for x
    x = 190,189,383,696,697,120/452,433,452.40
  6. Step 6: Final answer
    x = 420,369,852.60

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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.