Home / 12,688,716,951.54-17,510,901,961.23-7,608,907,927.62

Finding the Fourth Proportional to 12,688,716,951.54, 17,510,901,961.23 and 7,608,907,927.62

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Solution

The fourth proportional to 12,688,716,951.54, 17,510,901,961.23 and 7,608,907,927.62 is: 10,500,576,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,716,951.54 : 17,510,901,961.23 = 7,608,907,927.62 : x
  2. Step 2: Convert to fraction form
    12,688,716,951.54/17,510,901,961.23 = 7,608,907,927.62/x
  3. Step 3: Cross multiply
    12,688,716,951.54x = 17,510,901,961.23 × 7,608,907,927.62
  4. Step 4: Simplify right side
    12,688,716,951.54x = 133,238,840,752,579,543,040
  5. Step 5: Solve for x
    x = 133,238,840,752,579,543,040/12,688,716,951.54
  6. Step 6: Final answer
    x = 10,500,576,320.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.