Home / 317,951,999.80-476,927,999.70-315,936,460.60

Finding the Fourth Proportional to 317,951,999.80, 476,927,999.70 and 315,936,460.60

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Solution

The fourth proportional to 317,951,999.80, 476,927,999.70 and 315,936,460.60 is: 473,904,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,951,999.80 : 476,927,999.70 = 315,936,460.60 : x
  2. Step 2: Convert to fraction form
    317,951,999.80/476,927,999.70 = 315,936,460.60/x
  3. Step 3: Cross multiply
    317,951,999.80x = 476,927,999.70 × 315,936,460.60
  4. Step 4: Simplify right side
    317,951,999.80x = 150,678,944,186,255,872
  5. Step 5: Solve for x
    x = 150,678,944,186,255,872/317,951,999.80
  6. Step 6: Final answer
    x = 473,904,690.90

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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.