Home / 8,927,111,712.38-12,319,416,174-4,912,781,981.65

Finding the Fourth Proportional to 8,927,111,712.38, 12,319,416,174 and 4,912,781,981.65

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Solution

The fourth proportional to 8,927,111,712.38, 12,319,416,174 and 4,912,781,981.65 is: 6,779,640,241.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927,111,712.38 : 12,319,416,174 = 4,912,781,981.65 : x
  2. Step 2: Convert to fraction form
    8,927,111,712.38/12,319,416,174 = 4,912,781,981.65/x
  3. Step 3: Cross multiply
    8,927,111,712.38x = 12,319,416,174 × 4,912,781,981.65
  4. Step 4: Simplify right side
    8,927,111,712.38x = 60,522,605,804,043,984,896
  5. Step 5: Solve for x
    x = 60,522,605,804,043,984,896/8,927,111,712.38
  6. Step 6: Final answer
    x = 6,779,640,241.32

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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.