Home / 463,690,455.81-695,643,128.40-152,786,940.41

Finding the Fourth Proportional to 463,690,455.81, 695,643,128.40 and 152,786,940.41

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Solution

The fourth proportional to 463,690,455.81, 695,643,128.40 and 152,786,940.41 is: 229,215,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,690,455.81 : 695,643,128.40 = 152,786,940.41 : x
  2. Step 2: Convert to fraction form
    463,690,455.81/695,643,128.40 = 152,786,940.41/x
  3. Step 3: Cross multiply
    463,690,455.81x = 695,643,128.40 × 152,786,940.41
  4. Step 4: Simplify right side
    463,690,455.81x = 106,285,185,201,998,560
  5. Step 5: Solve for x
    x = 106,285,185,201,998,560/463,690,455.81
  6. Step 6: Final answer
    x = 229,215,813.85

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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.