Home / 1,274,156,742.55-1,911,235,113.83-401,025,751.60

Finding the Fourth Proportional to 1,274,156,742.55, 1,911,235,113.83 and 401,025,751.60

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Solution

The fourth proportional to 1,274,156,742.55, 1,911,235,113.83 and 401,025,751.60 is: 601,538,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,156,742.55 : 1,911,235,113.83 = 401,025,751.60 : x
  2. Step 2: Convert to fraction form
    1,274,156,742.55/1,911,235,113.83 = 401,025,751.60/x
  3. Step 3: Cross multiply
    1,274,156,742.55x = 1,911,235,113.83 × 401,025,751.60
  4. Step 4: Simplify right side
    1,274,156,742.55x = 766,454,498,007,987,328
  5. Step 5: Solve for x
    x = 766,454,498,007,987,328/1,274,156,742.55
  6. Step 6: Final answer
    x = 601,538,627.40

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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.