Home / 856,069,867.08-1,181,449,274.58-484,857,934.92

Finding the Fourth Proportional to 856,069,867.08, 1,181,449,274.58 and 484,857,934.92

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Solution

The fourth proportional to 856,069,867.08, 1,181,449,274.58 and 484,857,934.92 is: 669,145,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,069,867.08 : 1,181,449,274.58 = 484,857,934.92 : x
  2. Step 2: Convert to fraction form
    856,069,867.08/1,181,449,274.58 = 484,857,934.92/x
  3. Step 3: Cross multiply
    856,069,867.08x = 1,181,449,274.58 × 484,857,934.92
  4. Step 4: Simplify right side
    856,069,867.08x = 572,835,055,485,590,848
  5. Step 5: Solve for x
    x = 572,835,055,485,590,848/856,069,867.08
  6. Step 6: Final answer
    x = 669,145,215.26

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Double scale
Find fourth proportional to 856,069,868.08, 1,181,449,275.96 and 484,857,935.92
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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.