Home / 9,306,665,116.43-12,843,180,371.23-5,077,579,869.86

Finding the Fourth Proportional to 9,306,665,116.43, 12,843,180,371.23 and 5,077,579,869.86

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Solution

The fourth proportional to 9,306,665,116.43, 12,843,180,371.23 and 5,077,579,869.86 is: 7,007,050,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306,665,116.43 : 12,843,180,371.23 = 5,077,579,869.86 : x
  2. Step 2: Convert to fraction form
    9,306,665,116.43/12,843,180,371.23 = 5,077,579,869.86/x
  3. Step 3: Cross multiply
    9,306,665,116.43x = 12,843,180,371.23 × 5,077,579,869.86
  4. Step 4: Simplify right side
    9,306,665,116.43x = 65,212,274,117,859,074,048
  5. Step 5: Solve for x
    x = 65,212,274,117,859,074,048/9,306,665,116.43
  6. Step 6: Final answer
    x = 7,007,050,678.42

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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.