Home / 1,631,931,828.26-2,251,790,205.28-917,372,202.89

Finding the Fourth Proportional to 1,631,931,828.26, 2,251,790,205.28 and 917,372,202.89

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Solution

The fourth proportional to 1,631,931,828.26, 2,251,790,205.28 and 917,372,202.89 is: 1,265,818,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,931,828.26 : 2,251,790,205.28 = 917,372,202.89 : x
  2. Step 2: Convert to fraction form
    1,631,931,828.26/2,251,790,205.28 = 917,372,202.89/x
  3. Step 3: Cross multiply
    1,631,931,828.26x = 2,251,790,205.28 × 917,372,202.89
  4. Step 4: Simplify right side
    1,631,931,828.26x = 2,065,729,741,050,286,592
  5. Step 5: Solve for x
    x = 2,065,729,741,050,286,592/1,631,931,828.26
  6. Step 6: Final answer
    x = 1,265,818,648.36

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.