Home / 1,985,368,171.80-2,977,356,236.04-585,979,059.20

Finding the Fourth Proportional to 1,985,368,171.80, 2,977,356,236.04 and 585,979,059.20

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Solution

The fourth proportional to 1,985,368,171.80, 2,977,356,236.04 and 585,979,059.20 is: 878,763,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,368,171.80 : 2,977,356,236.04 = 585,979,059.20 : x
  2. Step 2: Convert to fraction form
    1,985,368,171.80/2,977,356,236.04 = 585,979,059.20/x
  3. Step 3: Cross multiply
    1,985,368,171.80x = 2,977,356,236.04 × 585,979,059.20
  4. Step 4: Simplify right side
    1,985,368,171.80x = 1,744,668,406,095,042,560
  5. Step 5: Solve for x
    x = 1,744,668,406,095,042,560/1,985,368,171.80
  6. Step 6: Final answer
    x = 878,763,158.83

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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.