Home / 5,772,139,720.40-8,658,209,580.60-4,945,642,677.20

Finding the Fourth Proportional to 5,772,139,720.40, 8,658,209,580.60 and 4,945,642,677.20

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Solution

The fourth proportional to 5,772,139,720.40, 8,658,209,580.60 and 4,945,642,677.20 is: 7,418,464,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772,139,720.40 : 8,658,209,580.60 = 4,945,642,677.20 : x
  2. Step 2: Convert to fraction form
    5,772,139,720.40/8,658,209,580.60 = 4,945,642,677.20/x
  3. Step 3: Cross multiply
    5,772,139,720.40x = 8,658,209,580.60 × 4,945,642,677.20
  4. Step 4: Simplify right side
    5,772,139,720.40x = 42,820,410,809,957,269,504
  5. Step 5: Solve for x
    x = 42,820,410,809,957,269,504/5,772,139,720.40
  6. Step 6: Final answer
    x = 7,418,464,015.80

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Double scale
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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.