Home / 957,659,570.40-1,436,489,355.60-520,791,448.80

Finding the Fourth Proportional to 957,659,570.40, 1,436,489,355.60 and 520,791,448.80

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Solution

The fourth proportional to 957,659,570.40, 1,436,489,355.60 and 520,791,448.80 is: 781,187,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,659,570.40 : 1,436,489,355.60 = 520,791,448.80 : x
  2. Step 2: Convert to fraction form
    957,659,570.40/1,436,489,355.60 = 520,791,448.80/x
  3. Step 3: Cross multiply
    957,659,570.40x = 1,436,489,355.60 × 520,791,448.80
  4. Step 4: Simplify right side
    957,659,570.40x = 748,111,372,688,702,336
  5. Step 5: Solve for x
    x = 748,111,372,688,702,336/957,659,570.40
  6. Step 6: Final answer
    x = 781,187,173.20

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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.