Home / 452,495,261.60-678,742,892.40-179,866,028.60

Finding the Fourth Proportional to 452,495,261.60, 678,742,892.40 and 179,866,028.60

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Solution

The fourth proportional to 452,495,261.60, 678,742,892.40 and 179,866,028.60 is: 269,799,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,495,261.60 : 678,742,892.40 = 179,866,028.60 : x
  2. Step 2: Convert to fraction form
    452,495,261.60/678,742,892.40 = 179,866,028.60/x
  3. Step 3: Cross multiply
    452,495,261.60x = 678,742,892.40 × 179,866,028.60
  4. Step 4: Simplify right side
    452,495,261.60x = 122,082,788,496,465,120
  5. Step 5: Solve for x
    x = 122,082,788,496,465,120/452,495,261.60
  6. Step 6: Final answer
    x = 269,799,042.90

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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.