Home / 1,389,019,394.74-2,080,804,913.88-805,527,785.02

Finding the Fourth Proportional to 1,389,019,394.74, 2,080,804,913.88 and 805,527,785.02

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Solution

The fourth proportional to 1,389,019,394.74, 2,080,804,913.88 and 805,527,785.02 is: 1,206,711,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,019,394.74 : 2,080,804,913.88 = 805,527,785.02 : x
  2. Step 2: Convert to fraction form
    1,389,019,394.74/2,080,804,913.88 = 805,527,785.02/x
  3. Step 3: Cross multiply
    1,389,019,394.74x = 2,080,804,913.88 × 805,527,785.02
  4. Step 4: Simplify right side
    1,389,019,394.74x = 1,676,146,173,336,488,192
  5. Step 5: Solve for x
    x = 1,676,146,173,336,488,192/1,389,019,394.74
  6. Step 6: Final answer
    x = 1,206,711,857.07

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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.