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Finding the Fourth Proportional to 1,171,600,950.84, 1,616,702,455.77 and 695,209,234.02

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Solution

The fourth proportional to 1,171,600,950.84, 1,616,702,455.77 and 695,209,234.02 is: 959,325,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,600,950.84 : 1,616,702,455.77 = 695,209,234.02 : x
  2. Step 2: Convert to fraction form
    1,171,600,950.84/1,616,702,455.77 = 695,209,234.02/x
  3. Step 3: Cross multiply
    1,171,600,950.84x = 1,616,702,455.77 × 695,209,234.02
  4. Step 4: Simplify right side
    1,171,600,950.84x = 1,123,946,475,914,114,560
  5. Step 5: Solve for x
    x = 1,123,946,475,914,114,560/1,171,600,950.84
  6. Step 6: Final answer
    x = 959,325,336.08

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1.5x scale

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.