Home / 8,946,096,920.80-12,345,651,040.20-4,931,678,999.32

Finding the Fourth Proportional to 8,946,096,920.80, 12,345,651,040.20 and 4,931,678,999.32

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Solution

The fourth proportional to 8,946,096,920.80, 12,345,651,040.20 and 4,931,678,999.32 is: 6,805,737,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946,096,920.80 : 12,345,651,040.20 = 4,931,678,999.32 : x
  2. Step 2: Convert to fraction form
    8,946,096,920.80/12,345,651,040.20 = 4,931,678,999.32/x
  3. Step 3: Cross multiply
    8,946,096,920.80x = 12,345,651,040.20 × 4,931,678,999.32
  4. Step 4: Simplify right side
    8,946,096,920.80x = 60,884,787,967,887,450,112
  5. Step 5: Solve for x
    x = 60,884,787,967,887,450,112/8,946,096,920.80
  6. Step 6: Final answer
    x = 6,805,737,575.49

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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.