Home / 1,156,311,915.87-1,734,262,846.23-525,896,310.90

Finding the Fourth Proportional to 1,156,311,915.87, 1,734,262,846.23 and 525,896,310.90

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Solution

The fourth proportional to 1,156,311,915.87, 1,734,262,846.23 and 525,896,310.90 is: 788,751,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,311,915.87 : 1,734,262,846.23 = 525,896,310.90 : x
  2. Step 2: Convert to fraction form
    1,156,311,915.87/1,734,262,846.23 = 525,896,310.90/x
  3. Step 3: Cross multiply
    1,156,311,915.87x = 1,734,262,846.23 × 525,896,310.90
  4. Step 4: Simplify right side
    1,156,311,915.87x = 912,042,432,963,290,880
  5. Step 5: Solve for x
    x = 912,042,432,963,290,880/1,156,311,915.87
  6. Step 6: Final answer
    x = 788,751,218.81

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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.