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Finding the Fourth Proportional to 593,174,448.30, 889,761,672.45 and 399,178,800.30

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Solution

The fourth proportional to 593,174,448.30, 889,761,672.45 and 399,178,800.30 is: 598,768,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,174,448.30 : 889,761,672.45 = 399,178,800.30 : x
  2. Step 2: Convert to fraction form
    593,174,448.30/889,761,672.45 = 399,178,800.30/x
  3. Step 3: Cross multiply
    593,174,448.30x = 889,761,672.45 × 399,178,800.30
  4. Step 4: Simplify right side
    593,174,448.30x = 355,173,996,961,512,576
  5. Step 5: Solve for x
    x = 355,173,996,961,512,576/593,174,448.30
  6. Step 6: Final answer
    x = 598,768,200.45

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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.