Home / 1,073,087,999.70-1,609,631,999.55-746,570,649.30

Finding the Fourth Proportional to 1,073,087,999.70, 1,609,631,999.55 and 746,570,649.30

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Solution

The fourth proportional to 1,073,087,999.70, 1,609,631,999.55 and 746,570,649.30 is: 1,119,855,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,087,999.70 : 1,609,631,999.55 = 746,570,649.30 : x
  2. Step 2: Convert to fraction form
    1,073,087,999.70/1,609,631,999.55 = 746,570,649.30/x
  3. Step 3: Cross multiply
    1,073,087,999.70x = 1,609,631,999.55 × 746,570,649.30
  4. Step 4: Simplify right side
    1,073,087,999.70x = 1,201,704,007,038,100,736
  5. Step 5: Solve for x
    x = 1,201,704,007,038,100,736/1,073,087,999.70
  6. Step 6: Final answer
    x = 1,119,855,973.95

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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.