Home / 436,584,951.40-654,877,427.10-218,268,988.60

Finding the Fourth Proportional to 436,584,951.40, 654,877,427.10 and 218,268,988.60

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Solution

The fourth proportional to 436,584,951.40, 654,877,427.10 and 218,268,988.60 is: 327,403,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,584,951.40 : 654,877,427.10 = 218,268,988.60 : x
  2. Step 2: Convert to fraction form
    436,584,951.40/654,877,427.10 = 218,268,988.60/x
  3. Step 3: Cross multiply
    436,584,951.40x = 654,877,427.10 × 218,268,988.60
  4. Step 4: Simplify right side
    436,584,951.40x = 142,939,433,670,087,232
  5. Step 5: Solve for x
    x = 142,939,433,670,087,232/436,584,951.40
  6. Step 6: Final answer
    x = 327,403,482.90

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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.