Home / 12,638,169,196.74-17,432,273,716.34-8,127,753,948.45

Finding the Fourth Proportional to 12,638,169,196.74, 17,432,273,716.34 and 8,127,753,948.45

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Solution

The fourth proportional to 12,638,169,196.74, 17,432,273,716.34 and 8,127,753,948.45 is: 11,210,898,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,638,169,196.74 : 17,432,273,716.34 = 8,127,753,948.45 : x
  2. Step 2: Convert to fraction form
    12,638,169,196.74/17,432,273,716.34 = 8,127,753,948.45/x
  3. Step 3: Cross multiply
    12,638,169,196.74x = 17,432,273,716.34 × 8,127,753,948.45
  4. Step 4: Simplify right side
    12,638,169,196.74x = 141,685,231,528,402,944,000
  5. Step 5: Solve for x
    x = 141,685,231,528,402,944,000/12,638,169,196.74
  6. Step 6: Final answer
    x = 11,210,898,455.53

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Double scale
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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.