Home / 529,850,006.40-794,775,009.60-449,228,438.40

Finding the Fourth Proportional to 529,850,006.40, 794,775,009.60 and 449,228,438.40

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Solution

The fourth proportional to 529,850,006.40, 794,775,009.60 and 449,228,438.40 is: 673,842,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,850,006.40 : 794,775,009.60 = 449,228,438.40 : x
  2. Step 2: Convert to fraction form
    529,850,006.40/794,775,009.60 = 449,228,438.40/x
  3. Step 3: Cross multiply
    529,850,006.40x = 794,775,009.60 × 449,228,438.40
  4. Step 4: Simplify right side
    529,850,006.40x = 357,035,536,441,953,024
  5. Step 5: Solve for x
    x = 357,035,536,441,953,024/529,850,006.40
  6. Step 6: Final answer
    x = 673,842,657.60

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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.