Home / 316,454,333.56-436,597,690.26-198,988,602.52

Finding the Fourth Proportional to 316,454,333.56, 436,597,690.26 and 198,988,602.52

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Solution

The fourth proportional to 316,454,333.56, 436,597,690.26 and 198,988,602.52 is: 274,535,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,454,333.56 : 436,597,690.26 = 198,988,602.52 : x
  2. Step 2: Convert to fraction form
    316,454,333.56/436,597,690.26 = 198,988,602.52/x
  3. Step 3: Cross multiply
    316,454,333.56x = 436,597,690.26 × 198,988,602.52
  4. Step 4: Simplify right side
    316,454,333.56x = 86,877,964,248,297,216
  5. Step 5: Solve for x
    x = 86,877,964,248,297,216/316,454,333.56
  6. Step 6: Final answer
    x = 274,535,549.16

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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.