Home / 8,088,209,783.40-12,132,314,675.10-3,945,520,900.20

Finding the Fourth Proportional to 8,088,209,783.40, 12,132,314,675.10 and 3,945,520,900.20

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Solution

The fourth proportional to 8,088,209,783.40, 12,132,314,675.10 and 3,945,520,900.20 is: 5,918,281,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088,209,783.40 : 12,132,314,675.10 = 3,945,520,900.20 : x
  2. Step 2: Convert to fraction form
    8,088,209,783.40/12,132,314,675.10 = 3,945,520,900.20/x
  3. Step 3: Cross multiply
    8,088,209,783.40x = 12,132,314,675.10 × 3,945,520,900.20
  4. Step 4: Simplify right side
    8,088,209,783.40x = 47,868,301,118,410,219,520
  5. Step 5: Solve for x
    x = 47,868,301,118,410,219,520/8,088,209,783.40
  6. Step 6: Final answer
    x = 5,918,281,350.30

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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.