Home / 14,419,501,283.81-19,898,648,398.08-7,989,297,813.78

Finding the Fourth Proportional to 14,419,501,283.81, 19,898,648,398.08 and 7,989,297,813.78

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Solution

The fourth proportional to 14,419,501,283.81, 19,898,648,398.08 and 7,989,297,813.78 is: 11,025,085,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419,501,283.81 : 19,898,648,398.08 = 7,989,297,813.78 : x
  2. Step 2: Convert to fraction form
    14,419,501,283.81/19,898,648,398.08 = 7,989,297,813.78/x
  3. Step 3: Cross multiply
    14,419,501,283.81x = 19,898,648,398.08 × 7,989,297,813.78
  4. Step 4: Simplify right side
    14,419,501,283.81x = 158,976,228,143,957,442,560
  5. Step 5: Solve for x
    x = 158,976,228,143,957,442,560/14,419,501,283.81
  6. Step 6: Final answer
    x = 11,025,085,057.72

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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.