Home / 10,865,043,098.40-16,297,564,647.60-8,902,112,620.80

Finding the Fourth Proportional to 10,865,043,098.40, 16,297,564,647.60 and 8,902,112,620.80

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Solution

The fourth proportional to 10,865,043,098.40, 16,297,564,647.60 and 8,902,112,620.80 is: 13,353,168,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,043,098.40 : 16,297,564,647.60 = 8,902,112,620.80 : x
  2. Step 2: Convert to fraction form
    10,865,043,098.40/16,297,564,647.60 = 8,902,112,620.80/x
  3. Step 3: Cross multiply
    10,865,043,098.40x = 16,297,564,647.60 × 8,902,112,620.80
  4. Step 4: Simplify right side
    10,865,043,098.40x = 145,082,755,937,703,854,080
  5. Step 5: Solve for x
    x = 145,082,755,937,703,854,080/10,865,043,098.40
  6. Step 6: Final answer
    x = 13,353,168,931.20

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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.