Home / 659,579,156.59-989,402,786.49-168,296,725.39

Finding the Fourth Proportional to 659,579,156.59, 989,402,786.49 and 168,296,725.39

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Solution

The fourth proportional to 659,579,156.59, 989,402,786.49 and 168,296,725.39 is: 252,453,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,579,156.59 : 989,402,786.49 = 168,296,725.39 : x
  2. Step 2: Convert to fraction form
    659,579,156.59/989,402,786.49 = 168,296,725.39/x
  3. Step 3: Cross multiply
    659,579,156.59x = 989,402,786.49 × 168,296,725.39
  4. Step 4: Simplify right side
    659,579,156.59x = 166,513,249,058,008,320
  5. Step 5: Solve for x
    x = 166,513,249,058,008,320/659,579,156.59
  6. Step 6: Final answer
    x = 252,453,776.62

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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.