Home / 68,969,232,004.80-103,453,848,007.20-19,282,474,574.40

Finding the Fourth Proportional to 68,969,232,004.80, 103,453,848,007.20 and 19,282,474,574.40

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Solution

The fourth proportional to 68,969,232,004.80, 103,453,848,007.20 and 19,282,474,574.40 is: 28,923,711,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,969,232,004.80 : 103,453,848,007.20 = 19,282,474,574.40 : x
  2. Step 2: Convert to fraction form
    68,969,232,004.80/103,453,848,007.20 = 19,282,474,574.40/x
  3. Step 3: Cross multiply
    68,969,232,004.80x = 103,453,848,007.20 × 19,282,474,574.40
  4. Step 4: Simplify right side
    68,969,232,004.80x = 1,994,846,193,822,676,287,488
  5. Step 5: Solve for x
    x = 1,994,846,193,822,676,287,488/68,969,232,004.80
  6. Step 6: Final answer
    x = 28,923,711,861.60

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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.