Home / 603,054,258.40-904,581,387.60-258,042,761.20

Finding the Fourth Proportional to 603,054,258.40, 904,581,387.60 and 258,042,761.20

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Solution

The fourth proportional to 603,054,258.40, 904,581,387.60 and 258,042,761.20 is: 387,064,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,054,258.40 : 904,581,387.60 = 258,042,761.20 : x
  2. Step 2: Convert to fraction form
    603,054,258.40/904,581,387.60 = 258,042,761.20/x
  3. Step 3: Cross multiply
    603,054,258.40x = 904,581,387.60 × 258,042,761.20
  4. Step 4: Simplify right side
    603,054,258.40x = 233,420,678,986,431,424
  5. Step 5: Solve for x
    x = 233,420,678,986,431,424/603,054,258.40
  6. Step 6: Final answer
    x = 387,064,141.80

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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.