Home / 8,211,473,241.60-12,317,209,862.40-3,849,846,412.80

Finding the Fourth Proportional to 8,211,473,241.60, 12,317,209,862.40 and 3,849,846,412.80

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Solution

The fourth proportional to 8,211,473,241.60, 12,317,209,862.40 and 3,849,846,412.80 is: 5,774,769,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,473,241.60 : 12,317,209,862.40 = 3,849,846,412.80 : x
  2. Step 2: Convert to fraction form
    8,211,473,241.60/12,317,209,862.40 = 3,849,846,412.80/x
  3. Step 3: Cross multiply
    8,211,473,241.60x = 12,317,209,862.40 × 3,849,846,412.80
  4. Step 4: Simplify right side
    8,211,473,241.60x = 47,419,366,204,465,422,336
  5. Step 5: Solve for x
    x = 47,419,366,204,465,422,336/8,211,473,241.60
  6. Step 6: Final answer
    x = 5,774,769,619.20

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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.