Home / 1,274,156,776.55-1,911,235,164.83-401,025,785.60

Finding the Fourth Proportional to 1,274,156,776.55, 1,911,235,164.83 and 401,025,785.60

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Solution

The fourth proportional to 1,274,156,776.55, 1,911,235,164.83 and 401,025,785.60 is: 601,538,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,156,776.55 : 1,911,235,164.83 = 401,025,785.60 : x
  2. Step 2: Convert to fraction form
    1,274,156,776.55/1,911,235,164.83 = 401,025,785.60/x
  3. Step 3: Cross multiply
    1,274,156,776.55x = 1,911,235,164.83 × 401,025,785.60
  4. Step 4: Simplify right side
    1,274,156,776.55x = 766,454,583,442,296,192
  5. Step 5: Solve for x
    x = 766,454,583,442,296,192/1,274,156,776.55
  6. Step 6: Final answer
    x = 601,538,678.40

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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.