Home / 250,415,999.40-375,623,999.10-205,029,042.60

Finding the Fourth Proportional to 250,415,999.40, 375,623,999.10 and 205,029,042.60

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Solution

The fourth proportional to 250,415,999.40, 375,623,999.10 and 205,029,042.60 is: 307,543,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,415,999.40 : 375,623,999.10 = 205,029,042.60 : x
  2. Step 2: Convert to fraction form
    250,415,999.40/375,623,999.10 = 205,029,042.60/x
  3. Step 3: Cross multiply
    250,415,999.40x = 375,623,999.10 × 205,029,042.60
  4. Step 4: Simplify right side
    250,415,999.40x = 77,013,828,913,056,272
  5. Step 5: Solve for x
    x = 77,013,828,913,056,272/250,415,999.40
  6. Step 6: Final answer
    x = 307,543,563.90

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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.