Home / 745,129,809.60-1,117,694,714.40-254,397,190.20

Finding the Fourth Proportional to 745,129,809.60, 1,117,694,714.40 and 254,397,190.20

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Solution

The fourth proportional to 745,129,809.60, 1,117,694,714.40 and 254,397,190.20 is: 381,595,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,129,809.60 : 1,117,694,714.40 = 254,397,190.20 : x
  2. Step 2: Convert to fraction form
    745,129,809.60/1,117,694,714.40 = 254,397,190.20/x
  3. Step 3: Cross multiply
    745,129,809.60x = 1,117,694,714.40 × 254,397,190.20
  4. Step 4: Simplify right side
    745,129,809.60x = 284,338,394,844,751,488
  5. Step 5: Solve for x
    x = 284,338,394,844,751,488/745,129,809.60
  6. Step 6: Final answer
    x = 381,595,785.30

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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.