Home / 19,538,971,009.88-29,234,496,029.41-11,575,413,401.75

Finding the Fourth Proportional to 19,538,971,009.88, 29,234,496,029.41 and 11,575,413,401.75

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Solution

The fourth proportional to 19,538,971,009.88, 29,234,496,029.41 and 11,575,413,401.75 is: 17,319,303,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538,971,009.88 : 29,234,496,029.41 = 11,575,413,401.75 : x
  2. Step 2: Convert to fraction form
    19,538,971,009.88/29,234,496,029.41 = 11,575,413,401.75/x
  3. Step 3: Cross multiply
    19,538,971,009.88x = 29,234,496,029.41 × 11,575,413,401.75
  4. Step 4: Simplify right side
    19,538,971,009.88x = 338,401,377,132,181,782,528
  5. Step 5: Solve for x
    x = 338,401,377,132,181,782,528/19,538,971,009.88
  6. Step 6: Final answer
    x = 17,319,303,916.32

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1.5x scale

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.