Home / 1,133,833,989.48-1,564,690,892.40-612,313,221.48

Finding the Fourth Proportional to 1,133,833,989.48, 1,564,690,892.40 and 612,313,221.48

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Solution

The fourth proportional to 1,133,833,989.48, 1,564,690,892.40 and 612,313,221.48 is: 844,992,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,833,989.48 : 1,564,690,892.40 = 612,313,221.48 : x
  2. Step 2: Convert to fraction form
    1,133,833,989.48/1,564,690,892.40 = 612,313,221.48/x
  3. Step 3: Cross multiply
    1,133,833,989.48x = 1,564,690,892.40 × 612,313,221.48
  4. Step 4: Simplify right side
    1,133,833,989.48x = 958,080,920,945,860,096
  5. Step 5: Solve for x
    x = 958,080,920,945,860,096/1,133,833,989.48
  6. Step 6: Final answer
    x = 844,992,238.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.