Home / 825,976,010.40-1,238,964,015.60-365,425,303.20

Finding the Fourth Proportional to 825,976,010.40, 1,238,964,015.60 and 365,425,303.20

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Solution

The fourth proportional to 825,976,010.40, 1,238,964,015.60 and 365,425,303.20 is: 548,137,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,976,010.40 : 1,238,964,015.60 = 365,425,303.20 : x
  2. Step 2: Convert to fraction form
    825,976,010.40/1,238,964,015.60 = 365,425,303.20/x
  3. Step 3: Cross multiply
    825,976,010.40x = 1,238,964,015.60 × 365,425,303.20
  4. Step 4: Simplify right side
    825,976,010.40x = 452,748,801,054,519,488
  5. Step 5: Solve for x
    x = 452,748,801,054,519,488/825,976,010.40
  6. Step 6: Final answer
    x = 548,137,954.80

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1.5x scale

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.