Home / 6,477,559,981.80-9,716,339,972.70-4,028,679,853.80

Finding the Fourth Proportional to 6,477,559,981.80, 9,716,339,972.70 and 4,028,679,853.80

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Solution

The fourth proportional to 6,477,559,981.80, 9,716,339,972.70 and 4,028,679,853.80 is: 6,043,019,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,559,981.80 : 9,716,339,972.70 = 4,028,679,853.80 : x
  2. Step 2: Convert to fraction form
    6,477,559,981.80/9,716,339,972.70 = 4,028,679,853.80/x
  3. Step 3: Cross multiply
    6,477,559,981.80x = 9,716,339,972.70 × 4,028,679,853.80
  4. Step 4: Simplify right side
    6,477,559,981.80x = 39,144,023,100,688,138,240
  5. Step 5: Solve for x
    x = 39,144,023,100,688,138,240/6,477,559,981.80
  6. Step 6: Final answer
    x = 6,043,019,780.70

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Half scale
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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.