Home / 1,451,280,782.55-2,176,113,558.37-861,310,763.67

Finding the Fourth Proportional to 1,451,280,782.55, 2,176,113,558.37 and 861,310,763.67

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Solution

The fourth proportional to 1,451,280,782.55, 2,176,113,558.37 and 861,310,763.67 is: 1,291,486,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,280,782.55 : 2,176,113,558.37 = 861,310,763.67 : x
  2. Step 2: Convert to fraction form
    1,451,280,782.55/2,176,113,558.37 = 861,310,763.67/x
  3. Step 3: Cross multiply
    1,451,280,782.55x = 2,176,113,558.37 × 861,310,763.67
  4. Step 4: Simplify right side
    1,451,280,782.55x = 1,874,310,030,792,305,664
  5. Step 5: Solve for x
    x = 1,874,310,030,792,305,664/1,451,280,782.55
  6. Step 6: Final answer
    x = 1,291,486,839.30

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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.