Home / 328,054,696.40-491,746,121.40-191,669,877.20

Finding the Fourth Proportional to 328,054,696.40, 491,746,121.40 and 191,669,877.20

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Solution

The fourth proportional to 328,054,696.40, 491,746,121.40 and 191,669,877.20 is: 287,308,548.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,054,696.40 : 491,746,121.40 = 191,669,877.20 : x
  2. Step 2: Convert to fraction form
    328,054,696.40/491,746,121.40 = 191,669,877.20/x
  3. Step 3: Cross multiply
    328,054,696.40x = 491,746,121.40 × 191,669,877.20
  4. Step 4: Simplify right side
    328,054,696.40x = 94,252,918,702,314,288
  5. Step 5: Solve for x
    x = 94,252,918,702,314,288/328,054,696.40
  6. Step 6: Final answer
    x = 287,308,548.66

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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.