Home / 21,432,458,398.77-32,156,058,094.74-12,596,689,627.29

Finding the Fourth Proportional to 21,432,458,398.77, 32,156,058,094.74 and 12,596,689,627.29

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Solution

The fourth proportional to 21,432,458,398.77, 32,156,058,094.74 and 12,596,689,627.29 is: 18,899,366,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,432,458,398.77 : 32,156,058,094.74 = 12,596,689,627.29 : x
  2. Step 2: Convert to fraction form
    21,432,458,398.77/32,156,058,094.74 = 12,596,689,627.29/x
  3. Step 3: Cross multiply
    21,432,458,398.77x = 32,156,058,094.74 × 12,596,689,627.29
  4. Step 4: Simplify right side
    21,432,458,398.77x = 405,059,883,456,546,078,720
  5. Step 5: Solve for x
    x = 405,059,883,456,546,078,720/21,432,458,398.77
  6. Step 6: Final answer
    x = 18,899,366,368.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.