Home / 880,590,981.44-1,215,216,336.12-484,120,716.44

Finding the Fourth Proportional to 880,590,981.44, 1,215,216,336.12 and 484,120,716.44

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Solution

The fourth proportional to 880,590,981.44, 1,215,216,336.12 and 484,120,716.44 is: 668,087,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,590,981.44 : 1,215,216,336.12 = 484,120,716.44 : x
  2. Step 2: Convert to fraction form
    880,590,981.44/1,215,216,336.12 = 484,120,716.44/x
  3. Step 3: Cross multiply
    880,590,981.44x = 1,215,216,336.12 × 484,120,716.44
  4. Step 4: Simplify right side
    880,590,981.44x = 588,311,403,272,006,144
  5. Step 5: Solve for x
    x = 588,311,403,272,006,144/880,590,981.44
  6. Step 6: Final answer
    x = 668,087,018.46

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Double scale
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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.