Home / 5,338,281,679.40-8,007,422,519.10-4,431,289,039.40

Finding the Fourth Proportional to 5,338,281,679.40, 8,007,422,519.10 and 4,431,289,039.40

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Solution

The fourth proportional to 5,338,281,679.40, 8,007,422,519.10 and 4,431,289,039.40 is: 6,646,933,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,281,679.40 : 8,007,422,519.10 = 4,431,289,039.40 : x
  2. Step 2: Convert to fraction form
    5,338,281,679.40/8,007,422,519.10 = 4,431,289,039.40/x
  3. Step 3: Cross multiply
    5,338,281,679.40x = 8,007,422,519.10 × 4,431,289,039.40
  4. Step 4: Simplify right side
    5,338,281,679.40x = 35,483,203,642,732,564,480
  5. Step 5: Solve for x
    x = 35,483,203,642,732,564,480/5,338,281,679.40
  6. Step 6: Final answer
    x = 6,646,933,559.10

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Double scale
Find fourth proportional to 5,338,281,680.40, 8,007,422,520.60 and 4,431,289,040.40
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.