Home / 1,404,080,692.20-2,106,121,038.30-678,486,580.20

Finding the Fourth Proportional to 1,404,080,692.20, 2,106,121,038.30 and 678,486,580.20

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Solution

The fourth proportional to 1,404,080,692.20, 2,106,121,038.30 and 678,486,580.20 is: 1,017,729,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,080,692.20 : 2,106,121,038.30 = 678,486,580.20 : x
  2. Step 2: Convert to fraction form
    1,404,080,692.20/2,106,121,038.30 = 678,486,580.20/x
  3. Step 3: Cross multiply
    1,404,080,692.20x = 2,106,121,038.30 × 678,486,580.20
  4. Step 4: Simplify right side
    1,404,080,692.20x = 1,428,974,860,763,440,384
  5. Step 5: Solve for x
    x = 1,428,974,860,763,440,384/1,404,080,692.20
  6. Step 6: Final answer
    x = 1,017,729,870.30

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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.