Home / 1,409,491,581.12-2,114,223,907.98-856,946,561.46

Finding the Fourth Proportional to 1,409,491,581.12, 2,114,223,907.98 and 856,946,561.46

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Solution

The fourth proportional to 1,409,491,581.12, 2,114,223,907.98 and 856,946,561.46 is: 1,285,411,656.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,491,581.12 : 2,114,223,907.98 = 856,946,561.46 : x
  2. Step 2: Convert to fraction form
    1,409,491,581.12/2,114,223,907.98 = 856,946,561.46/x
  3. Step 3: Cross multiply
    1,409,491,581.12x = 2,114,223,907.98 × 856,946,561.46
  4. Step 4: Simplify right side
    1,409,491,581.12x = 1,811,776,908,099,984,640
  5. Step 5: Solve for x
    x = 1,811,776,908,099,984,640/1,409,491,581.12
  6. Step 6: Final answer
    x = 1,285,411,656.49

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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.