Home / 15,778,121,006.53-21,774,491,432.54-8,737,590,638.53

Finding the Fourth Proportional to 15,778,121,006.53, 21,774,491,432.54 and 8,737,590,638.53

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Solution

The fourth proportional to 15,778,121,006.53, 21,774,491,432.54 and 8,737,590,638.53 is: 12,058,254,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778,121,006.53 : 21,774,491,432.54 = 8,737,590,638.53 : x
  2. Step 2: Convert to fraction form
    15,778,121,006.53/21,774,491,432.54 = 8,737,590,638.53/x
  3. Step 3: Cross multiply
    15,778,121,006.53x = 21,774,491,432.54 × 8,737,590,638.53
  4. Step 4: Simplify right side
    15,778,121,006.53x = 190,256,592,499,721,830,400
  5. Step 5: Solve for x
    x = 190,256,592,499,721,830,400/15,778,121,006.53
  6. Step 6: Final answer
    x = 12,058,254,111.56

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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.