Home / 8,008,128,412.80-12,012,192,619.20-5,559,248,284.80

Finding the Fourth Proportional to 8,008,128,412.80, 12,012,192,619.20 and 5,559,248,284.80

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Solution

The fourth proportional to 8,008,128,412.80, 12,012,192,619.20 and 5,559,248,284.80 is: 8,338,872,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008,128,412.80 : 12,012,192,619.20 = 5,559,248,284.80 : x
  2. Step 2: Convert to fraction form
    8,008,128,412.80/12,012,192,619.20 = 5,559,248,284.80/x
  3. Step 3: Cross multiply
    8,008,128,412.80x = 12,012,192,619.20 × 5,559,248,284.80
  4. Step 4: Simplify right side
    8,008,128,412.80x = 66,778,761,214,974,828,544
  5. Step 5: Solve for x
    x = 66,778,761,214,974,828,544/8,008,128,412.80
  6. Step 6: Final answer
    x = 8,338,872,427.20

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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.