Home / 1,581,133,134.40-2,181,963,932.32-876,330,619.20

Finding the Fourth Proportional to 1,581,133,134.40, 2,181,963,932.32 and 876,330,619.20

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Solution

The fourth proportional to 1,581,133,134.40, 2,181,963,932.32 and 876,330,619.20 is: 1,209,336,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,133,134.40 : 2,181,963,932.32 = 876,330,619.20 : x
  2. Step 2: Convert to fraction form
    1,581,133,134.40/2,181,963,932.32 = 876,330,619.20/x
  3. Step 3: Cross multiply
    1,581,133,134.40x = 2,181,963,932.32 × 876,330,619.20
  4. Step 4: Simplify right side
    1,581,133,134.40x = 1,912,121,803,882,052,864
  5. Step 5: Solve for x
    x = 1,912,121,803,882,052,864/1,581,133,134.40
  6. Step 6: Final answer
    x = 1,209,336,369.14

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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.