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Finding the Fourth Proportional to 607,210,980.16, 837,940,991.52 and 328,750,242.88

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Solution

The fourth proportional to 607,210,980.16, 837,940,991.52 and 328,750,242.88 is: 453,669,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,210,980.16 : 837,940,991.52 = 328,750,242.88 : x
  2. Step 2: Convert to fraction form
    607,210,980.16/837,940,991.52 = 328,750,242.88/x
  3. Step 3: Cross multiply
    607,210,980.16x = 837,940,991.52 × 328,750,242.88
  4. Step 4: Simplify right side
    607,210,980.16x = 275,473,304,481,308,000
  5. Step 5: Solve for x
    x = 275,473,304,481,308,000/607,210,980.16
  6. Step 6: Final answer
    x = 453,669,833.85

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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.