Home / 1,539,648,015.70-2,309,472,023.55-925,916,329.30

Finding the Fourth Proportional to 1,539,648,015.70, 2,309,472,023.55 and 925,916,329.30

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Solution

The fourth proportional to 1,539,648,015.70, 2,309,472,023.55 and 925,916,329.30 is: 1,388,874,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,648,015.70 : 2,309,472,023.55 = 925,916,329.30 : x
  2. Step 2: Convert to fraction form
    1,539,648,015.70/2,309,472,023.55 = 925,916,329.30/x
  3. Step 3: Cross multiply
    1,539,648,015.70x = 2,309,472,023.55 × 925,916,329.30
  4. Step 4: Simplify right side
    1,539,648,015.70x = 2,138,377,858,666,459,136
  5. Step 5: Solve for x
    x = 2,138,377,858,666,459,136/1,539,648,015.70
  6. Step 6: Final answer
    x = 1,388,874,493.95

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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.