Home / 436,626,005.40-654,939,008.10-218,310,042.60

Finding the Fourth Proportional to 436,626,005.40, 654,939,008.10 and 218,310,042.60

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Solution

The fourth proportional to 436,626,005.40, 654,939,008.10 and 218,310,042.60 is: 327,465,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,626,005.40 : 654,939,008.10 = 218,310,042.60 : x
  2. Step 2: Convert to fraction form
    436,626,005.40/654,939,008.10 = 218,310,042.60/x
  3. Step 3: Cross multiply
    436,626,005.40x = 654,939,008.10 × 218,310,042.60
  4. Step 4: Simplify right side
    436,626,005.40x = 142,979,762,758,712,752
  5. Step 5: Solve for x
    x = 142,979,762,758,712,752/436,626,005.40
  6. Step 6: Final answer
    x = 327,465,063.90

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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.