Home / 28,006,114,041.42-38,648,553,819.48-15,145,754,000.16

Finding the Fourth Proportional to 28,006,114,041.42, 38,648,553,819.48 and 15,145,754,000.16

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Solution

The fourth proportional to 28,006,114,041.42, 38,648,553,819.48 and 15,145,754,000.16 is: 20,901,203,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,114,041.42 : 38,648,553,819.48 = 15,145,754,000.16 : x
  2. Step 2: Convert to fraction form
    28,006,114,041.42/38,648,553,819.48 = 15,145,754,000.16/x
  3. Step 3: Cross multiply
    28,006,114,041.42x = 38,648,553,819.48 × 15,145,754,000.16
  4. Step 4: Simplify right side
    28,006,114,041.42x = 585,361,488,611,788,324,864
  5. Step 5: Solve for x
    x = 585,361,488,611,788,324,864/28,006,114,041.42
  6. Step 6: Final answer
    x = 20,901,203,492.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.