Home / 680,519,449.60-1,018,511,692.80-626,099,891.20

Finding the Fourth Proportional to 680,519,449.60, 1,018,511,692.80 and 626,099,891.20

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Solution

The fourth proportional to 680,519,449.60, 1,018,511,692.80 and 626,099,891.20 is: 937,063,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,519,449.60 : 1,018,511,692.80 = 626,099,891.20 : x
  2. Step 2: Convert to fraction form
    680,519,449.60/1,018,511,692.80 = 626,099,891.20/x
  3. Step 3: Cross multiply
    680,519,449.60x = 1,018,511,692.80 × 626,099,891.20
  4. Step 4: Simplify right side
    680,519,449.60x = 637,690,060,048,007,808
  5. Step 5: Solve for x
    x = 637,690,060,048,007,808/680,519,449.60
  6. Step 6: Final answer
    x = 937,063,680.43

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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.