Home / 1,389,019,403.37-2,080,804,926.81-805,527,793.65

Finding the Fourth Proportional to 1,389,019,403.37, 2,080,804,926.81 and 805,527,793.65

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Solution

The fourth proportional to 1,389,019,403.37, 2,080,804,926.81 and 805,527,793.65 is: 1,206,711,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,019,403.37 : 2,080,804,926.81 = 805,527,793.65 : x
  2. Step 2: Convert to fraction form
    1,389,019,403.37/2,080,804,926.81 = 805,527,793.65/x
  3. Step 3: Cross multiply
    1,389,019,403.37x = 2,080,804,926.81 × 805,527,793.65
  4. Step 4: Simplify right side
    1,389,019,403.37x = 1,676,146,201,709,308,928
  5. Step 5: Solve for x
    x = 1,676,146,201,709,308,928/1,389,019,403.37
  6. Step 6: Final answer
    x = 1,206,711,870.00

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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.