Home / 7,188,352,159.05-10,783,070,384.36-2,145,810,492.45

Finding the Fourth Proportional to 7,188,352,159.05, 10,783,070,384.36 and 2,145,810,492.45

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Solution

The fourth proportional to 7,188,352,159.05, 10,783,070,384.36 and 2,145,810,492.45 is: 3,218,877,575.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,352,159.05 : 10,783,070,384.36 = 2,145,810,492.45 : x
  2. Step 2: Convert to fraction form
    7,188,352,159.05/10,783,070,384.36 = 2,145,810,492.45/x
  3. Step 3: Cross multiply
    7,188,352,159.05x = 10,783,070,384.36 × 2,145,810,492.45
  4. Step 4: Simplify right side
    7,188,352,159.05x = 23,138,425,571,575,812,096
  5. Step 5: Solve for x
    x = 23,138,425,571,575,812,096/7,188,352,159.05
  6. Step 6: Final answer
    x = 3,218,877,575.78

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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.