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Finding the Fourth Proportional to 573,186,700.80, 790,997,859.84 and 325,668,380.16

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Solution

The fourth proportional to 573,186,700.80, 790,997,859.84 and 325,668,380.16 is: 449,422,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,186,700.80 : 790,997,859.84 = 325,668,380.16 : x
  2. Step 2: Convert to fraction form
    573,186,700.80/790,997,859.84 = 325,668,380.16/x
  3. Step 3: Cross multiply
    573,186,700.80x = 790,997,859.84 × 325,668,380.16
  4. Step 4: Simplify right side
    573,186,700.80x = 257,602,991,724,119,552
  5. Step 5: Solve for x
    x = 257,602,991,724,119,552/573,186,700.80
  6. Step 6: Final answer
    x = 449,422,485.49

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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.