Home / 946,653,901.80-1,419,309,006.30-429,332,173.80

Finding the Fourth Proportional to 946,653,901.80, 1,419,309,006.30 and 429,332,173.80

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Solution

The fourth proportional to 946,653,901.80, 1,419,309,006.30 and 429,332,173.80 is: 643,693,560.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,653,901.80 : 1,419,309,006.30 = 429,332,173.80 : x
  2. Step 2: Convert to fraction form
    946,653,901.80/1,419,309,006.30 = 429,332,173.80/x
  3. Step 3: Cross multiply
    946,653,901.80x = 1,419,309,006.30 × 429,332,173.80
  4. Step 4: Simplify right side
    946,653,901.80x = 609,355,020,968,696,832
  5. Step 5: Solve for x
    x = 609,355,020,968,696,832/946,653,901.80
  6. Step 6: Final answer
    x = 643,693,560.88

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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.