Home / 1,692,386,716.20-2,538,580,074.30-965,448,911.40

Finding the Fourth Proportional to 1,692,386,716.20, 2,538,580,074.30 and 965,448,911.40

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Solution

The fourth proportional to 1,692,386,716.20, 2,538,580,074.30 and 965,448,911.40 is: 1,448,173,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,386,716.20 : 2,538,580,074.30 = 965,448,911.40 : x
  2. Step 2: Convert to fraction form
    1,692,386,716.20/2,538,580,074.30 = 965,448,911.40/x
  3. Step 3: Cross multiply
    1,692,386,716.20x = 2,538,580,074.30 × 965,448,911.40
  4. Step 4: Simplify right side
    1,692,386,716.20x = 2,450,869,369,234,666,496
  5. Step 5: Solve for x
    x = 2,450,869,369,234,666,496/1,692,386,716.20
  6. Step 6: Final answer
    x = 1,448,173,367.10

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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.