Home / 825,374,485.80-1,239,496,619.40-437,953,996.80

Finding the Fourth Proportional to 825,374,485.80, 1,239,496,619.40 and 437,953,996.80

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Solution

The fourth proportional to 825,374,485.80, 1,239,496,619.40 and 437,953,996.80 is: 657,692,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,374,485.80 : 1,239,496,619.40 = 437,953,996.80 : x
  2. Step 2: Convert to fraction form
    825,374,485.80/1,239,496,619.40 = 437,953,996.80/x
  3. Step 3: Cross multiply
    825,374,485.80x = 1,239,496,619.40 × 437,953,996.80
  4. Step 4: Simplify right side
    825,374,485.80x = 542,842,498,486,318,464
  5. Step 5: Solve for x
    x = 542,842,498,486,318,464/825,374,485.80
  6. Step 6: Final answer
    x = 657,692,366.10

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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.