Home / 13,397,495,114.72-18,474,839,254.76-8,879,805,518.69

Finding the Fourth Proportional to 13,397,495,114.72, 18,474,839,254.76 and 8,879,805,518.69

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Solution

The fourth proportional to 13,397,495,114.72, 18,474,839,254.76 and 8,879,805,518.69 is: 12,245,048,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397,495,114.72 : 18,474,839,254.76 = 8,879,805,518.69 : x
  2. Step 2: Convert to fraction form
    13,397,495,114.72/18,474,839,254.76 = 8,879,805,518.69/x
  3. Step 3: Cross multiply
    13,397,495,114.72x = 18,474,839,254.76 × 8,879,805,518.69
  4. Step 4: Simplify right side
    13,397,495,114.72x = 164,052,979,571,191,709,696
  5. Step 5: Solve for x
    x = 164,052,979,571,191,709,696/13,397,495,114.72
  6. Step 6: Final answer
    x = 12,245,048,657.72

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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.