Home / 11,290,915,840.57-16,938,303,266.41-4,654,917,406.78

Finding the Fourth Proportional to 11,290,915,840.57, 16,938,303,266.41 and 4,654,917,406.78

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Solution

The fourth proportional to 11,290,915,840.57, 16,938,303,266.41 and 4,654,917,406.78 is: 6,983,171,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290,915,840.57 : 16,938,303,266.41 = 4,654,917,406.78 : x
  2. Step 2: Convert to fraction form
    11,290,915,840.57/16,938,303,266.41 = 4,654,917,406.78/x
  3. Step 3: Cross multiply
    11,290,915,840.57x = 16,938,303,266.41 × 4,654,917,406.78
  4. Step 4: Simplify right side
    11,290,915,840.57x = 78,846,402,716,130,443,264
  5. Step 5: Solve for x
    x = 78,846,402,716,130,443,264/11,290,915,840.57
  6. Step 6: Final answer
    x = 6,983,171,589.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.