Home / 28,313,606,411.42-42,476,004,414.15-10,386,151,383.58

Finding the Fourth Proportional to 28,313,606,411.42, 42,476,004,414.15 and 10,386,151,383.58

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Solution

The fourth proportional to 28,313,606,411.42, 42,476,004,414.15 and 10,386,151,383.58 is: 15,581,279,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313,606,411.42 : 42,476,004,414.15 = 10,386,151,383.58 : x
  2. Step 2: Convert to fraction form
    28,313,606,411.42/42,476,004,414.15 = 10,386,151,383.58/x
  3. Step 3: Cross multiply
    28,313,606,411.42x = 42,476,004,414.15 × 10,386,151,383.58
  4. Step 4: Simplify right side
    28,313,606,411.42x = 441,162,212,014,974,238,720
  5. Step 5: Solve for x
    x = 441,162,212,014,974,238,720/28,313,606,411.42
  6. Step 6: Final answer
    x = 15,581,279,389.30

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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.