Home / 356,886,034.82-492,506,696.55-198,126,893.42

Finding the Fourth Proportional to 356,886,034.82, 492,506,696.55 and 198,126,893.42

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Solution

The fourth proportional to 356,886,034.82, 492,506,696.55 and 198,126,893.42 is: 273,417,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,886,034.82 : 492,506,696.55 = 198,126,893.42 : x
  2. Step 2: Convert to fraction form
    356,886,034.82/492,506,696.55 = 198,126,893.42/x
  3. Step 3: Cross multiply
    356,886,034.82x = 492,506,696.55 × 198,126,893.42
  4. Step 4: Simplify right side
    356,886,034.82x = 97,578,821,775,998,128
  5. Step 5: Solve for x
    x = 97,578,821,775,998,128/356,886,034.82
  6. Step 6: Final answer
    x = 273,417,316.05

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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.