Home / 19,932,511,415.40-29,898,767,123.10-9,612,950,711.40

Finding the Fourth Proportional to 19,932,511,415.40, 29,898,767,123.10 and 9,612,950,711.40

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Solution

The fourth proportional to 19,932,511,415.40, 29,898,767,123.10 and 9,612,950,711.40 is: 14,419,426,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932,511,415.40 : 29,898,767,123.10 = 9,612,950,711.40 : x
  2. Step 2: Convert to fraction form
    19,932,511,415.40/29,898,767,123.10 = 9,612,950,711.40/x
  3. Step 3: Cross multiply
    19,932,511,415.40x = 29,898,767,123.10 × 9,612,950,711.40
  4. Step 4: Simplify right side
    19,932,511,415.40x = 287,415,374,685,987,045,376
  5. Step 5: Solve for x
    x = 287,415,374,685,987,045,376/19,932,511,415.40
  6. Step 6: Final answer
    x = 14,419,426,067.10

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Double scale
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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.