Home / 28,080,871,206.60-42,121,306,809.90-11,530,523,008.20

Finding the Fourth Proportional to 28,080,871,206.60, 42,121,306,809.90 and 11,530,523,008.20

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Solution

The fourth proportional to 28,080,871,206.60, 42,121,306,809.90 and 11,530,523,008.20 is: 17,295,784,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,871,206.60 : 42,121,306,809.90 = 11,530,523,008.20 : x
  2. Step 2: Convert to fraction form
    28,080,871,206.60/42,121,306,809.90 = 11,530,523,008.20/x
  3. Step 3: Cross multiply
    28,080,871,206.60x = 42,121,306,809.90 × 11,530,523,008.20
  4. Step 4: Simplify right side
    28,080,871,206.60x = 485,680,697,307,003,355,136
  5. Step 5: Solve for x
    x = 485,680,697,307,003,355,136/28,080,871,206.60
  6. Step 6: Final answer
    x = 17,295,784,512.30

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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.