Home / 739,678,698.84-1,020,858,157.55-453,519,604.38

Finding the Fourth Proportional to 739,678,698.84, 1,020,858,157.55 and 453,519,604.38

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Solution

The fourth proportional to 739,678,698.84, 1,020,858,157.55 and 453,519,604.38 is: 625,919,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,678,698.84 : 1,020,858,157.55 = 453,519,604.38 : x
  2. Step 2: Convert to fraction form
    739,678,698.84/1,020,858,157.55 = 453,519,604.38/x
  3. Step 3: Cross multiply
    739,678,698.84x = 1,020,858,157.55 × 453,519,604.38
  4. Step 4: Simplify right side
    739,678,698.84x = 462,979,187,737,904,064
  5. Step 5: Solve for x
    x = 462,979,187,737,904,064/739,678,698.84
  6. Step 6: Final answer
    x = 625,919,319.38

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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.