Home / 959,366,732.80-1,439,050,099.20-890,491,979.20

Finding the Fourth Proportional to 959,366,732.80, 1,439,050,099.20 and 890,491,979.20

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Solution

The fourth proportional to 959,366,732.80, 1,439,050,099.20 and 890,491,979.20 is: 1,335,737,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,366,732.80 : 1,439,050,099.20 = 890,491,979.20 : x
  2. Step 2: Convert to fraction form
    959,366,732.80/1,439,050,099.20 = 890,491,979.20/x
  3. Step 3: Cross multiply
    959,366,732.80x = 1,439,050,099.20 × 890,491,979.20
  4. Step 4: Simplify right side
    959,366,732.80x = 1,281,462,571,004,564,480
  5. Step 5: Solve for x
    x = 1,281,462,571,004,564,480/959,366,732.80
  6. Step 6: Final answer
    x = 1,335,737,968.80

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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.