Home / 12,766,604,189.88-19,133,295,843.06-5,194,564,470.84

Finding the Fourth Proportional to 12,766,604,189.88, 19,133,295,843.06 and 5,194,564,470.84

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Solution

The fourth proportional to 12,766,604,189.88, 19,133,295,843.06 and 5,194,564,470.84 is: 7,785,088,134.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766,604,189.88 : 19,133,295,843.06 = 5,194,564,470.84 : x
  2. Step 2: Convert to fraction form
    12,766,604,189.88/19,133,295,843.06 = 5,194,564,470.84/x
  3. Step 3: Cross multiply
    12,766,604,189.88x = 19,133,295,843.06 × 5,194,564,470.84
  4. Step 4: Simplify right side
    12,766,604,189.88x = 99,389,138,796,430,147,584
  5. Step 5: Solve for x
    x = 99,389,138,796,430,147,584/12,766,604,189.88
  6. Step 6: Final answer
    x = 7,785,088,134.50

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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.