Home / 8,211,476,571.60-12,317,214,857.40-3,849,849,742.80

Finding the Fourth Proportional to 8,211,476,571.60, 12,317,214,857.40 and 3,849,849,742.80

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Solution

The fourth proportional to 8,211,476,571.60, 12,317,214,857.40 and 3,849,849,742.80 is: 5,774,774,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,476,571.60 : 12,317,214,857.40 = 3,849,849,742.80 : x
  2. Step 2: Convert to fraction form
    8,211,476,571.60/12,317,214,857.40 = 3,849,849,742.80/x
  3. Step 3: Cross multiply
    8,211,476,571.60x = 12,317,214,857.40 × 3,849,849,742.80
  4. Step 4: Simplify right side
    8,211,476,571.60x = 47,419,426,450,773,729,280
  5. Step 5: Solve for x
    x = 47,419,426,450,773,729,280/8,211,476,571.60
  6. Step 6: Final answer
    x = 5,774,774,614.20

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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.