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Finding the Fourth Proportional to 611,183,477.35, 916,775,216.03 and 611,183,477.35

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Solution

The fourth proportional to 611,183,477.35, 916,775,216.03 and 611,183,477.35 is: 916,775,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,183,477.35 : 916,775,216.03 = 611,183,477.35 : x
  2. Step 2: Convert to fraction form
    611,183,477.35/916,775,216.03 = 611,183,477.35/x
  3. Step 3: Cross multiply
    611,183,477.35x = 916,775,216.03 × 611,183,477.35
  4. Step 4: Simplify right side
    611,183,477.35x = 560,317,864,478,456,960
  5. Step 5: Solve for x
    x = 560,317,864,478,456,960/611,183,477.35
  6. Step 6: Final answer
    x = 916,775,216.03

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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.