Home / 419,904,117.60-629,856,176.40-384,191,282.40

Finding the Fourth Proportional to 419,904,117.60, 629,856,176.40 and 384,191,282.40

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Solution

The fourth proportional to 419,904,117.60, 629,856,176.40 and 384,191,282.40 is: 576,286,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,117.60 : 629,856,176.40 = 384,191,282.40 : x
  2. Step 2: Convert to fraction form
    419,904,117.60/629,856,176.40 = 384,191,282.40/x
  3. Step 3: Cross multiply
    419,904,117.60x = 629,856,176.40 × 384,191,282.40
  4. Step 4: Simplify right side
    419,904,117.60x = 241,985,252,138,676,576
  5. Step 5: Solve for x
    x = 241,985,252,138,676,576/419,904,117.60
  6. Step 6: Final answer
    x = 576,286,923.60

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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.