Home / 846,193,359.60-1,269,290,039.40-482,724,457.20

Finding the Fourth Proportional to 846,193,359.60, 1,269,290,039.40 and 482,724,457.20

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Solution

The fourth proportional to 846,193,359.60, 1,269,290,039.40 and 482,724,457.20 is: 724,086,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,193,359.60 : 1,269,290,039.40 = 482,724,457.20 : x
  2. Step 2: Convert to fraction form
    846,193,359.60/1,269,290,039.40 = 482,724,457.20/x
  3. Step 3: Cross multiply
    846,193,359.60x = 1,269,290,039.40 × 482,724,457.20
  4. Step 4: Simplify right side
    846,193,359.60x = 612,717,345,298,731,648
  5. Step 5: Solve for x
    x = 612,717,345,298,731,648/846,193,359.60
  6. Step 6: Final answer
    x = 724,086,685.80

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Similar ratio
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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.