Home / 1,274,156,774.55-1,911,235,161.83-401,025,783.60

Finding the Fourth Proportional to 1,274,156,774.55, 1,911,235,161.83 and 401,025,783.60

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Solution

The fourth proportional to 1,274,156,774.55, 1,911,235,161.83 and 401,025,783.60 is: 601,538,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,156,774.55 : 1,911,235,161.83 = 401,025,783.60 : x
  2. Step 2: Convert to fraction form
    1,274,156,774.55/1,911,235,161.83 = 401,025,783.60/x
  3. Step 3: Cross multiply
    1,274,156,774.55x = 1,911,235,161.83 × 401,025,783.60
  4. Step 4: Simplify right side
    1,274,156,774.55x = 766,454,578,416,748,544
  5. Step 5: Solve for x
    x = 766,454,578,416,748,544/1,274,156,774.55
  6. Step 6: Final answer
    x = 601,538,675.40

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1.5x scale

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.