Home / 282,940,441,077.45-390,492,048,261.20-161,034,816,296.91

Finding the Fourth Proportional to 282,940,441,077.45, 390,492,048,261.20 and 161,034,816,296.91

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Solution

The fourth proportional to 282,940,441,077.45, 390,492,048,261.20 and 161,034,816,296.91 is: 222,247,533,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,940,441,077.45 : 390,492,048,261.20 = 161,034,816,296.91 : x
  2. Step 2: Convert to fraction form
    282,940,441,077.45/390,492,048,261.20 = 161,034,816,296.91/x
  3. Step 3: Cross multiply
    282,940,441,077.45x = 390,492,048,261.20 × 161,034,816,296.91
  4. Step 4: Simplify right side
    282,940,441,077.45x = 62,882,815,257,146,457,849,856
  5. Step 5: Solve for x
    x = 62,882,815,257,146,457,849,856/282,940,441,077.45
  6. Step 6: Final answer
    x = 222,247,533,854.43

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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.