Home / 436,054,681.80-654,082,022.70-339,308,800.20

Finding the Fourth Proportional to 436,054,681.80, 654,082,022.70 and 339,308,800.20

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Solution

The fourth proportional to 436,054,681.80, 654,082,022.70 and 339,308,800.20 is: 508,963,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,054,681.80 : 654,082,022.70 = 339,308,800.20 : x
  2. Step 2: Convert to fraction form
    436,054,681.80/654,082,022.70 = 339,308,800.20/x
  3. Step 3: Cross multiply
    436,054,681.80x = 654,082,022.70 × 339,308,800.20
  4. Step 4: Simplify right side
    436,054,681.80x = 221,935,786,354,726,176
  5. Step 5: Solve for x
    x = 221,935,786,354,726,176/436,054,681.80
  6. Step 6: Final answer
    x = 508,963,200.30

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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.