Home / 1,232,414,960-1,700,915,188.29-780,334,952

Finding the Fourth Proportional to 1,232,414,960, 1,700,915,188.29 and 780,334,952

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Solution

The fourth proportional to 1,232,414,960, 1,700,915,188.29 and 780,334,952 is: 1,076,977,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,414,960 : 1,700,915,188.29 = 780,334,952 : x
  2. Step 2: Convert to fraction form
    1,232,414,960/1,700,915,188.29 = 780,334,952/x
  3. Step 3: Cross multiply
    1,232,414,960x = 1,700,915,188.29 × 780,334,952
  4. Step 4: Simplify right side
    1,232,414,960x = 1,327,283,571,810,348,032
  5. Step 5: Solve for x
    x = 1,327,283,571,810,348,032/1,232,414,960
  6. Step 6: Final answer
    x = 1,076,977,815.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.