Home / 12,379,514,436.78-17,083,657,156.59-6,740,716,786.98

Finding the Fourth Proportional to 12,379,514,436.78, 17,083,657,156.59 and 6,740,716,786.98

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Solution

The fourth proportional to 12,379,514,436.78, 17,083,657,156.59 and 6,740,716,786.98 is: 9,302,149,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,514,436.78 : 17,083,657,156.59 = 6,740,716,786.98 : x
  2. Step 2: Convert to fraction form
    12,379,514,436.78/17,083,657,156.59 = 6,740,716,786.98/x
  3. Step 3: Cross multiply
    12,379,514,436.78x = 17,083,657,156.59 × 6,740,716,786.98
  4. Step 4: Simplify right side
    12,379,514,436.78x = 115,156,094,578,437,226,496
  5. Step 5: Solve for x
    x = 115,156,094,578,437,226,496/12,379,514,436.78
  6. Step 6: Final answer
    x = 9,302,149,544.44

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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.