Home / 298,988,999.80-417,564,233-298,988,999.80

Finding the Fourth Proportional to 298,988,999.80, 417,564,233 and 298,988,999.80

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Solution

The fourth proportional to 298,988,999.80, 417,564,233 and 298,988,999.80 is: 417,564,233

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,988,999.80 : 417,564,233 = 298,988,999.80 : x
  2. Step 2: Convert to fraction form
    298,988,999.80/417,564,233 = 298,988,999.80/x
  3. Step 3: Cross multiply
    298,988,999.80x = 417,564,233 × 298,988,999.80
  4. Step 4: Simplify right side
    298,988,999.80x = 124,847,112,376,924,160
  5. Step 5: Solve for x
    x = 124,847,112,376,924,160/298,988,999.80
  6. Step 6: Final answer
    x = 417,564,233

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.