Home / 8,088,209,758.40-12,132,314,637.60-3,945,520,875.20

Finding the Fourth Proportional to 8,088,209,758.40, 12,132,314,637.60 and 3,945,520,875.20

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Solution

The fourth proportional to 8,088,209,758.40, 12,132,314,637.60 and 3,945,520,875.20 is: 5,918,281,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088,209,758.40 : 12,132,314,637.60 = 3,945,520,875.20 : x
  2. Step 2: Convert to fraction form
    8,088,209,758.40/12,132,314,637.60 = 3,945,520,875.20/x
  3. Step 3: Cross multiply
    8,088,209,758.40x = 12,132,314,637.60 × 3,945,520,875.20
  4. Step 4: Simplify right side
    8,088,209,758.40x = 47,868,300,667,145,322,496
  5. Step 5: Solve for x
    x = 47,868,300,667,145,322,496/8,088,209,758.40
  6. Step 6: Final answer
    x = 5,918,281,312.80

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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.