Home / 445,905,024.30-668,857,536.45-405,728,084.70

Finding the Fourth Proportional to 445,905,024.30, 668,857,536.45 and 405,728,084.70

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Solution

The fourth proportional to 445,905,024.30, 668,857,536.45 and 405,728,084.70 is: 608,592,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,905,024.30 : 668,857,536.45 = 405,728,084.70 : x
  2. Step 2: Convert to fraction form
    445,905,024.30/668,857,536.45 = 405,728,084.70/x
  3. Step 3: Cross multiply
    445,905,024.30x = 668,857,536.45 × 405,728,084.70
  4. Step 4: Simplify right side
    445,905,024.30x = 271,374,287,201,018,944
  5. Step 5: Solve for x
    x = 271,374,287,201,018,944/445,905,024.30
  6. Step 6: Final answer
    x = 608,592,127.05

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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.