Home / 21,088,771,090.02-29,101,848,511.32-11,573,078,175.72

Finding the Fourth Proportional to 21,088,771,090.02, 29,101,848,511.32 and 11,573,078,175.72

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Solution

The fourth proportional to 21,088,771,090.02, 29,101,848,511.32 and 11,573,078,175.72 is: 15,970,488,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088,771,090.02 : 29,101,848,511.32 = 11,573,078,175.72 : x
  2. Step 2: Convert to fraction form
    21,088,771,090.02/29,101,848,511.32 = 11,573,078,175.72/x
  3. Step 3: Cross multiply
    21,088,771,090.02x = 29,101,848,511.32 × 11,573,078,175.72
  4. Step 4: Simplify right side
    21,088,771,090.02x = 336,797,967,879,467,040,768
  5. Step 5: Solve for x
    x = 336,797,967,879,467,040,768/21,088,771,090.02
  6. Step 6: Final answer
    x = 15,970,488,106.77

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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.