Home / 286,416,009.60-429,624,014.40-177,576,892.80

Finding the Fourth Proportional to 286,416,009.60, 429,624,014.40 and 177,576,892.80

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Solution

The fourth proportional to 286,416,009.60, 429,624,014.40 and 177,576,892.80 is: 266,365,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,416,009.60 : 429,624,014.40 = 177,576,892.80 : x
  2. Step 2: Convert to fraction form
    286,416,009.60/429,624,014.40 = 177,576,892.80/x
  3. Step 3: Cross multiply
    286,416,009.60x = 429,624,014.40 × 177,576,892.80
  4. Step 4: Simplify right side
    286,416,009.60x = 76,291,297,549,414,464
  5. Step 5: Solve for x
    x = 76,291,297,549,414,464/286,416,009.60
  6. Step 6: Final answer
    x = 266,365,339.20

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1.5x scale

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.