Home / 419,904,444.60-629,856,666.90-190,321,932.60

Finding the Fourth Proportional to 419,904,444.60, 629,856,666.90 and 190,321,932.60

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Solution

The fourth proportional to 419,904,444.60, 629,856,666.90 and 190,321,932.60 is: 285,482,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,444.60 : 629,856,666.90 = 190,321,932.60 : x
  2. Step 2: Convert to fraction form
    419,904,444.60/629,856,666.90 = 190,321,932.60/x
  3. Step 3: Cross multiply
    419,904,444.60x = 629,856,666.90 × 190,321,932.60
  4. Step 4: Simplify right side
    419,904,444.60x = 119,875,538,105,402,448
  5. Step 5: Solve for x
    x = 119,875,538,105,402,448/419,904,444.60
  6. Step 6: Final answer
    x = 285,482,898.90

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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.