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Finding the Fourth Proportional to 713,206,563.60, 999,849,678 and 713,206,563.60

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Solution

The fourth proportional to 713,206,563.60, 999,849,678 and 713,206,563.60 is: 999,849,678

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,206,563.60 : 999,849,678 = 713,206,563.60 : x
  2. Step 2: Convert to fraction form
    713,206,563.60/999,849,678 = 713,206,563.60/x
  3. Step 3: Cross multiply
    713,206,563.60x = 999,849,678 × 713,206,563.60
  4. Step 4: Simplify right side
    713,206,563.60x = 713,099,352,962,946,560
  5. Step 5: Solve for x
    x = 713,099,352,962,946,560/713,206,563.60
  6. Step 6: Final answer
    x = 999,849,678

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.