Home / 775,499,714.40-1,161,234,032.40-612,912,885.60

Finding the Fourth Proportional to 775,499,714.40, 1,161,234,032.40 and 612,912,885.60

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Solution

The fourth proportional to 775,499,714.40, 1,161,234,032.40 and 612,912,885.60 is: 917,776,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,499,714.40 : 1,161,234,032.40 = 612,912,885.60 : x
  2. Step 2: Convert to fraction form
    775,499,714.40/1,161,234,032.40 = 612,912,885.60/x
  3. Step 3: Cross multiply
    775,499,714.40x = 1,161,234,032.40 × 612,912,885.60
  4. Step 4: Simplify right side
    775,499,714.40x = 711,735,301,655,207,936
  5. Step 5: Solve for x
    x = 711,735,301,655,207,936/775,499,714.40
  6. Step 6: Final answer
    x = 917,776,355.61

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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.