Home / 639,089,999.40-958,634,999.10-466,903,115.40

Finding the Fourth Proportional to 639,089,999.40, 958,634,999.10 and 466,903,115.40

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Solution

The fourth proportional to 639,089,999.40, 958,634,999.10 and 466,903,115.40 is: 700,354,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,089,999.40 : 958,634,999.10 = 466,903,115.40 : x
  2. Step 2: Convert to fraction form
    639,089,999.40/958,634,999.10 = 466,903,115.40/x
  3. Step 3: Cross multiply
    639,089,999.40x = 958,634,999.10 × 466,903,115.40
  4. Step 4: Simplify right side
    639,089,999.40x = 447,589,667,611,266,176
  5. Step 5: Solve for x
    x = 447,589,667,611,266,176/639,089,999.40
  6. Step 6: Final answer
    x = 700,354,673.10

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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.