Home / 469,438,905.60-704,154,859.20-141,913,785.60

Finding the Fourth Proportional to 469,438,905.60, 704,154,859.20 and 141,913,785.60

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Solution

The fourth proportional to 469,438,905.60, 704,154,859.20 and 141,913,785.60 is: 212,869,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,438,905.60 : 704,154,859.20 = 141,913,785.60 : x
  2. Step 2: Convert to fraction form
    469,438,905.60/704,154,859.20 = 141,913,785.60/x
  3. Step 3: Cross multiply
    469,438,905.60x = 704,154,859.20 × 141,913,785.60
  4. Step 4: Simplify right side
    469,438,905.60x = 99,929,281,717,706,992
  5. Step 5: Solve for x
    x = 99,929,281,717,706,992/469,438,905.60
  6. Step 6: Final answer
    x = 212,869,620.57

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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.