Home / 1,086,009,069.80-1,629,013,604.70-395,938,836.20

Finding the Fourth Proportional to 1,086,009,069.80, 1,629,013,604.70 and 395,938,836.20

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Solution

The fourth proportional to 1,086,009,069.80, 1,629,013,604.70 and 395,938,836.20 is: 593,908,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,009,069.80 : 1,629,013,604.70 = 395,938,836.20 : x
  2. Step 2: Convert to fraction form
    1,086,009,069.80/1,629,013,604.70 = 395,938,836.20/x
  3. Step 3: Cross multiply
    1,086,009,069.80x = 1,629,013,604.70 × 395,938,836.20
  4. Step 4: Simplify right side
    1,086,009,069.80x = 644,989,750,798,884,864
  5. Step 5: Solve for x
    x = 644,989,750,798,884,864/1,086,009,069.80
  6. Step 6: Final answer
    x = 593,908,254.30

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Double scale
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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.