Home / 8,927,111,729.95-12,319,416,198.20-4,912,781,999.23

Finding the Fourth Proportional to 8,927,111,729.95, 12,319,416,198.20 and 4,912,781,999.23

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Solution

The fourth proportional to 8,927,111,729.95, 12,319,416,198.20 and 4,912,781,999.23 is: 6,779,640,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927,111,729.95 : 12,319,416,198.20 = 4,912,781,999.23 : x
  2. Step 2: Convert to fraction form
    8,927,111,729.95/12,319,416,198.20 = 4,912,781,999.23/x
  3. Step 3: Cross multiply
    8,927,111,729.95x = 12,319,416,198.20 × 4,912,781,999.23
  4. Step 4: Simplify right side
    8,927,111,729.95x = 60,522,606,139,545,649,152
  5. Step 5: Solve for x
    x = 60,522,606,139,545,649,152/8,927,111,729.95
  6. Step 6: Final answer
    x = 6,779,640,265.56

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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.