Home / 413,057,499-619,631,639.68-136,608,014.40

Finding the Fourth Proportional to 413,057,499, 619,631,639.68 and 136,608,014.40

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Solution

The fourth proportional to 413,057,499, 619,631,639.68 and 136,608,014.40 is: 204,927,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,057,499 : 619,631,639.68 = 136,608,014.40 : x
  2. Step 2: Convert to fraction form
    413,057,499/619,631,639.68 = 136,608,014.40/x
  3. Step 3: Cross multiply
    413,057,499x = 619,631,639.68 × 136,608,014.40
  4. Step 4: Simplify right side
    413,057,499x = 84,646,647,956,101,040
  5. Step 5: Solve for x
    x = 84,646,647,956,101,040/413,057,499
  6. Step 6: Final answer
    x = 204,927,033.55

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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.