Home / 8,283,981,642.74-12,425,972,628.90-1,988,410,866.68

Finding the Fourth Proportional to 8,283,981,642.74, 12,425,972,628.90 and 1,988,410,866.68

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Solution

The fourth proportional to 8,283,981,642.74, 12,425,972,628.90 and 1,988,410,866.68 is: 2,982,616,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283,981,642.74 : 12,425,972,628.90 = 1,988,410,866.68 : x
  2. Step 2: Convert to fraction form
    8,283,981,642.74/12,425,972,628.90 = 1,988,410,866.68/x
  3. Step 3: Cross multiply
    8,283,981,642.74x = 12,425,972,628.90 × 1,988,410,866.68
  4. Step 4: Simplify right side
    8,283,981,642.74x = 24,707,939,004,373,008,384
  5. Step 5: Solve for x
    x = 24,707,939,004,373,008,384/8,283,981,642.74
  6. Step 6: Final answer
    x = 2,982,616,339.57

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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.