Home / 1,026,479,996.80-1,539,705,998.40-336,409,763.20

Finding the Fourth Proportional to 1,026,479,996.80, 1,539,705,998.40 and 336,409,763.20

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Solution

The fourth proportional to 1,026,479,996.80, 1,539,705,998.40 and 336,409,763.20 is: 504,610,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,479,996.80 : 1,539,705,998.40 = 336,409,763.20 : x
  2. Step 2: Convert to fraction form
    1,026,479,996.80/1,539,705,998.40 = 336,409,763.20/x
  3. Step 3: Cross multiply
    1,026,479,996.80x = 1,539,705,998.40 × 336,409,763.20
  4. Step 4: Simplify right side
    1,026,479,996.80x = 517,972,130,319,363,584
  5. Step 5: Solve for x
    x = 517,972,130,319,363,584/1,026,479,996.80
  6. Step 6: Final answer
    x = 504,610,057.61

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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.