Home / 1,309,631,485.80-1,964,447,228.70-896,382,964.20

Finding the Fourth Proportional to 1,309,631,485.80, 1,964,447,228.70 and 896,382,964.20

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Solution

The fourth proportional to 1,309,631,485.80, 1,964,447,228.70 and 896,382,964.20 is: 1,344,574,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,631,485.80 : 1,964,447,228.70 = 896,382,964.20 : x
  2. Step 2: Convert to fraction form
    1,309,631,485.80/1,964,447,228.70 = 896,382,964.20/x
  3. Step 3: Cross multiply
    1,309,631,485.80x = 1,964,447,228.70 × 896,382,964.20
  4. Step 4: Simplify right side
    1,309,631,485.80x = 1,760,897,029,876,581,376
  5. Step 5: Solve for x
    x = 1,760,897,029,876,581,376/1,309,631,485.80
  6. Step 6: Final answer
    x = 1,344,574,446.30

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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.