Home / 5,638,209,319.20-8,457,313,978.80-1,957,330,855.20

Finding the Fourth Proportional to 5,638,209,319.20, 8,457,313,978.80 and 1,957,330,855.20

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Solution

The fourth proportional to 5,638,209,319.20, 8,457,313,978.80 and 1,957,330,855.20 is: 2,935,996,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,209,319.20 : 8,457,313,978.80 = 1,957,330,855.20 : x
  2. Step 2: Convert to fraction form
    5,638,209,319.20/8,457,313,978.80 = 1,957,330,855.20/x
  3. Step 3: Cross multiply
    5,638,209,319.20x = 8,457,313,978.80 × 1,957,330,855.20
  4. Step 4: Simplify right side
    5,638,209,319.20x = 16,553,761,602,819,518,464
  5. Step 5: Solve for x
    x = 16,553,761,602,819,518,464/5,638,209,319.20
  6. Step 6: Final answer
    x = 2,935,996,282.80

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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.