Home / 12,379,514,437.78-17,083,657,157.97-6,740,716,787.98

Finding the Fourth Proportional to 12,379,514,437.78, 17,083,657,157.97 and 6,740,716,787.98

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Solution

The fourth proportional to 12,379,514,437.78, 17,083,657,157.97 and 6,740,716,787.98 is: 9,302,149,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,514,437.78 : 17,083,657,157.97 = 6,740,716,787.98 : x
  2. Step 2: Convert to fraction form
    12,379,514,437.78/17,083,657,157.97 = 6,740,716,787.98/x
  3. Step 3: Cross multiply
    12,379,514,437.78x = 17,083,657,157.97 × 6,740,716,787.98
  4. Step 4: Simplify right side
    12,379,514,437.78x = 115,156,094,604,823,068,672
  5. Step 5: Solve for x
    x = 115,156,094,604,823,068,672/12,379,514,437.78
  6. Step 6: Final answer
    x = 9,302,149,545.82

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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.