Home / 12,813,725,100.07-17,689,072,374.57-8,534,060,454.57

Finding the Fourth Proportional to 12,813,725,100.07, 17,689,072,374.57 and 8,534,060,454.57

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Solution

The fourth proportional to 12,813,725,100.07, 17,689,072,374.57 and 8,534,060,454.57 is: 11,781,087,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813,725,100.07 : 17,689,072,374.57 = 8,534,060,454.57 : x
  2. Step 2: Convert to fraction form
    12,813,725,100.07/17,689,072,374.57 = 8,534,060,454.57/x
  3. Step 3: Cross multiply
    12,813,725,100.07x = 17,689,072,374.57 × 8,534,060,454.57
  4. Step 4: Simplify right side
    12,813,725,100.07x = 150,959,613,029,844,484,096
  5. Step 5: Solve for x
    x = 150,959,613,029,844,484,096/12,813,725,100.07
  6. Step 6: Final answer
    x = 11,781,087,221.00

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1.5x scale

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.