Home / 5,370,641,998.40-8,055,962,997.60-3,919,453,774.40

Finding the Fourth Proportional to 5,370,641,998.40, 8,055,962,997.60 and 3,919,453,774.40

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Solution

The fourth proportional to 5,370,641,998.40, 8,055,962,997.60 and 3,919,453,774.40 is: 5,879,180,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370,641,998.40 : 8,055,962,997.60 = 3,919,453,774.40 : x
  2. Step 2: Convert to fraction form
    5,370,641,998.40/8,055,962,997.60 = 3,919,453,774.40/x
  3. Step 3: Cross multiply
    5,370,641,998.40x = 8,055,962,997.60 × 3,919,453,774.40
  4. Step 4: Simplify right side
    5,370,641,998.40x = 31,574,974,577,370,058,752
  5. Step 5: Solve for x
    x = 31,574,974,577,370,058,752/5,370,641,998.40
  6. Step 6: Final answer
    x = 5,879,180,661.60

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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.