Home / 38,978,432,073.90-53,788,844,510.91-22,061,716,421.58

Finding the Fourth Proportional to 38,978,432,073.90, 53,788,844,510.91 and 22,061,716,421.58

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Solution

The fourth proportional to 38,978,432,073.90, 53,788,844,510.91 and 22,061,716,421.58 is: 30,444,380,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,978,432,073.90 : 53,788,844,510.91 = 22,061,716,421.58 : x
  2. Step 2: Convert to fraction form
    38,978,432,073.90/53,788,844,510.91 = 22,061,716,421.58/x
  3. Step 3: Cross multiply
    38,978,432,073.90x = 53,788,844,510.91 × 22,061,716,421.58
  4. Step 4: Simplify right side
    38,978,432,073.90x = 1,186,674,234,244,156,620,800
  5. Step 5: Solve for x
    x = 1,186,674,234,244,156,620,800/38,978,432,073.90
  6. Step 6: Final answer
    x = 30,444,380,933.39

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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.