Home / 1,048,876,684.80-1,447,450,114.68-578,978,311.92

Finding the Fourth Proportional to 1,048,876,684.80, 1,447,450,114.68 and 578,978,311.92

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Solution

The fourth proportional to 1,048,876,684.80, 1,447,450,114.68 and 578,978,311.92 is: 798,990,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,876,684.80 : 1,447,450,114.68 = 578,978,311.92 : x
  2. Step 2: Convert to fraction form
    1,048,876,684.80/1,447,450,114.68 = 578,978,311.92/x
  3. Step 3: Cross multiply
    1,048,876,684.80x = 1,447,450,114.68 × 578,978,311.92
  4. Step 4: Simplify right side
    1,048,876,684.80x = 838,042,223,985,836,800
  5. Step 5: Solve for x
    x = 838,042,223,985,836,800/1,048,876,684.80
  6. Step 6: Final answer
    x = 798,990,230.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.