Home / 429,055,436,942.25-643,359,685,395.30-202,354,019,526.48

Finding the Fourth Proportional to 429,055,436,942.25, 643,359,685,395.30 and 202,354,019,526.48

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Solution

The fourth proportional to 429,055,436,942.25, 643,359,685,395.30 and 202,354,019,526.48 is: 303,425,634,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,055,436,942.25 : 643,359,685,395.30 = 202,354,019,526.48 : x
  2. Step 2: Convert to fraction form
    429,055,436,942.25/643,359,685,395.30 = 202,354,019,526.48/x
  3. Step 3: Cross multiply
    429,055,436,942.25x = 643,359,685,395.30 × 202,354,019,526.48
  4. Step 4: Simplify right side
    429,055,436,942.25x = 130,186,418,341,030,586,744,832
  5. Step 5: Solve for x
    x = 130,186,418,341,030,586,744,832/429,055,436,942.25
  6. Step 6: Final answer
    x = 303,425,634,852.29

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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.