Home / 1,542,358,948.23-2,311,923,860.30-645,479,619.53

Finding the Fourth Proportional to 1,542,358,948.23, 2,311,923,860.30 and 645,479,619.53

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Solution

The fourth proportional to 1,542,358,948.23, 2,311,923,860.30 and 645,479,619.53 is: 967,543,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,358,948.23 : 2,311,923,860.30 = 645,479,619.53 : x
  2. Step 2: Convert to fraction form
    1,542,358,948.23/2,311,923,860.30 = 645,479,619.53/x
  3. Step 3: Cross multiply
    1,542,358,948.23x = 2,311,923,860.30 × 645,479,619.53
  4. Step 4: Simplify right side
    1,542,358,948.23x = 1,492,299,733,718,826,752
  5. Step 5: Solve for x
    x = 1,492,299,733,718,826,752/1,542,358,948.23
  6. Step 6: Final answer
    x = 967,543,732.56

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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.