Home / 1,382,067,394.60-1,897,100,779.13-1,221,926,506.60

Finding the Fourth Proportional to 1,382,067,394.60, 1,897,100,779.13 and 1,221,926,506.60

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Solution

The fourth proportional to 1,382,067,394.60, 1,897,100,779.13 and 1,221,926,506.60 is: 1,677,282,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,067,394.60 : 1,897,100,779.13 = 1,221,926,506.60 : x
  2. Step 2: Convert to fraction form
    1,382,067,394.60/1,897,100,779.13 = 1,221,926,506.60/x
  3. Step 3: Cross multiply
    1,382,067,394.60x = 1,897,100,779.13 × 1,221,926,506.60
  4. Step 4: Simplify right side
    1,382,067,394.60x = 2,318,117,727,710,458,880
  5. Step 5: Solve for x
    x = 2,318,117,727,710,458,880/1,382,067,394.60
  6. Step 6: Final answer
    x = 1,677,282,697.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.