Home / 798,364,069.80-1,198,441,899.90-617,413,439.40

Finding the Fourth Proportional to 798,364,069.80, 1,198,441,899.90 and 617,413,439.40

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Solution

The fourth proportional to 798,364,069.80, 1,198,441,899.90 and 617,413,439.40 is: 926,812,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,364,069.80 : 1,198,441,899.90 = 617,413,439.40 : x
  2. Step 2: Convert to fraction form
    798,364,069.80/1,198,441,899.90 = 617,413,439.40/x
  3. Step 3: Cross multiply
    798,364,069.80x = 1,198,441,899.90 × 617,413,439.40
  4. Step 4: Simplify right side
    798,364,069.80x = 739,934,135,338,329,600
  5. Step 5: Solve for x
    x = 739,934,135,338,329,600/798,364,069.80
  6. Step 6: Final answer
    x = 926,812,920.73

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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.