Home / 298,126,111.57-411,427,612.28-165,975,501.39

Finding the Fourth Proportional to 298,126,111.57, 411,427,612.28 and 165,975,501.39

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Solution

The fourth proportional to 298,126,111.57, 411,427,612.28 and 165,975,501.39 is: 229,053,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,126,111.57 : 411,427,612.28 = 165,975,501.39 : x
  2. Step 2: Convert to fraction form
    298,126,111.57/411,427,612.28 = 165,975,501.39/x
  3. Step 3: Cross multiply
    298,126,111.57x = 411,427,612.28 × 165,975,501.39
  4. Step 4: Simplify right side
    298,126,111.57x = 68,286,904,233,863,512
  5. Step 5: Solve for x
    x = 68,286,904,233,863,512/298,126,111.57
  6. Step 6: Final answer
    x = 229,053,751.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.