Home / 12,253,219,007.70-18,379,828,511.55-10,509,826,807.20

Finding the Fourth Proportional to 12,253,219,007.70, 18,379,828,511.55 and 10,509,826,807.20

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Solution

The fourth proportional to 12,253,219,007.70, 18,379,828,511.55 and 10,509,826,807.20 is: 15,764,740,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,219,007.70 : 18,379,828,511.55 = 10,509,826,807.20 : x
  2. Step 2: Convert to fraction form
    12,253,219,007.70/18,379,828,511.55 = 10,509,826,807.20/x
  3. Step 3: Cross multiply
    12,253,219,007.70x = 18,379,828,511.55 × 10,509,826,807.20
  4. Step 4: Simplify right side
    12,253,219,007.70x = 193,168,814,402,427,060,224
  5. Step 5: Solve for x
    x = 193,168,814,402,427,060,224/12,253,219,007.70
  6. Step 6: Final answer
    x = 15,764,740,210.80

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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.