Home / 1,200,335,848.80-1,799,496,003.60-625,907,176.80

Finding the Fourth Proportional to 1,200,335,848.80, 1,799,496,003.60 and 625,907,176.80

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Solution

The fourth proportional to 1,200,335,848.80, 1,799,496,003.60 and 625,907,176.80 is: 938,335,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,335,848.80 : 1,799,496,003.60 = 625,907,176.80 : x
  2. Step 2: Convert to fraction form
    1,200,335,848.80/1,799,496,003.60 = 625,907,176.80/x
  3. Step 3: Cross multiply
    1,200,335,848.80x = 1,799,496,003.60 × 625,907,176.80
  4. Step 4: Simplify right side
    1,200,335,848.80x = 1,126,317,463,276,158,464
  5. Step 5: Solve for x
    x = 1,126,317,463,276,158,464/1,200,335,848.80
  6. Step 6: Final answer
    x = 938,335,270.42

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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.