Home / 436,588,658.40-654,882,987.60-218,272,695.60

Finding the Fourth Proportional to 436,588,658.40, 654,882,987.60 and 218,272,695.60

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Solution

The fourth proportional to 436,588,658.40, 654,882,987.60 and 218,272,695.60 is: 327,409,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,588,658.40 : 654,882,987.60 = 218,272,695.60 : x
  2. Step 2: Convert to fraction form
    436,588,658.40/654,882,987.60 = 218,272,695.60/x
  3. Step 3: Cross multiply
    436,588,658.40x = 654,882,987.60 × 218,272,695.60
  4. Step 4: Simplify right side
    436,588,658.40x = 142,943,075,006,033,376
  5. Step 5: Solve for x
    x = 142,943,075,006,033,376/436,588,658.40
  6. Step 6: Final answer
    x = 327,409,043.40

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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.