Home / 419,904,483.60-629,856,725.40-290,658,032.40

Finding the Fourth Proportional to 419,904,483.60, 629,856,725.40 and 290,658,032.40

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Solution

The fourth proportional to 419,904,483.60, 629,856,725.40 and 290,658,032.40 is: 435,987,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,483.60 : 629,856,725.40 = 290,658,032.40 : x
  2. Step 2: Convert to fraction form
    419,904,483.60/629,856,725.40 = 290,658,032.40/x
  3. Step 3: Cross multiply
    419,904,483.60x = 629,856,725.40 × 290,658,032.40
  4. Step 4: Simplify right side
    419,904,483.60x = 183,072,916,498,671,072
  5. Step 5: Solve for x
    x = 183,072,916,498,671,072/419,904,483.60
  6. Step 6: Final answer
    x = 435,987,048.60

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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.