Home / 380,052,303.60-570,078,455.40-234,012,316.80

Finding the Fourth Proportional to 380,052,303.60, 570,078,455.40 and 234,012,316.80

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Solution

The fourth proportional to 380,052,303.60, 570,078,455.40 and 234,012,316.80 is: 351,018,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,052,303.60 : 570,078,455.40 = 234,012,316.80 : x
  2. Step 2: Convert to fraction form
    380,052,303.60/570,078,455.40 = 234,012,316.80/x
  3. Step 3: Cross multiply
    380,052,303.60x = 570,078,455.40 × 234,012,316.80
  4. Step 4: Simplify right side
    380,052,303.60x = 133,405,380,105,919,472
  5. Step 5: Solve for x
    x = 133,405,380,105,919,472/380,052,303.60
  6. Step 6: Final answer
    x = 351,018,475.20

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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.