Home / 10,865,043,090.40-16,297,564,635.60-8,902,112,612.80

Finding the Fourth Proportional to 10,865,043,090.40, 16,297,564,635.60 and 8,902,112,612.80

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Solution

The fourth proportional to 10,865,043,090.40, 16,297,564,635.60 and 8,902,112,612.80 is: 13,353,168,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,043,090.40 : 16,297,564,635.60 = 8,902,112,612.80 : x
  2. Step 2: Convert to fraction form
    10,865,043,090.40/16,297,564,635.60 = 8,902,112,612.80/x
  3. Step 3: Cross multiply
    10,865,043,090.40x = 16,297,564,635.60 × 8,902,112,612.80
  4. Step 4: Simplify right side
    10,865,043,090.40x = 145,082,755,700,497,989,632
  5. Step 5: Solve for x
    x = 145,082,755,700,497,989,632/10,865,043,090.40
  6. Step 6: Final answer
    x = 13,353,168,919.20

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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.