Home / 1,382,067,825.10-1,897,101,368.93-1,221,926,937.10

Finding the Fourth Proportional to 1,382,067,825.10, 1,897,101,368.93 and 1,221,926,937.10

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Solution

The fourth proportional to 1,382,067,825.10, 1,897,101,368.93 and 1,221,926,937.10 is: 1,677,283,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,067,825.10 : 1,897,101,368.93 = 1,221,926,937.10 : x
  2. Step 2: Convert to fraction form
    1,382,067,825.10/1,897,101,368.93 = 1,221,926,937.10/x
  3. Step 3: Cross multiply
    1,382,067,825.10x = 1,897,101,368.93 × 1,221,926,937.10
  4. Step 4: Simplify right side
    1,382,067,825.10x = 2,318,119,265,098,742,272
  5. Step 5: Solve for x
    x = 2,318,119,265,098,742,272/1,382,067,825.10
  6. Step 6: Final answer
    x = 1,677,283,287.40

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Double scale
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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.