Home / 20,376,377,145.17-30,578,527,181.81-7,111,635,423.04

Finding the Fourth Proportional to 20,376,377,145.17, 30,578,527,181.81 and 7,111,635,423.04

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Solution

The fourth proportional to 20,376,377,145.17, 30,578,527,181.81 and 7,111,635,423.04 is: 10,672,325,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376,377,145.17 : 30,578,527,181.81 = 7,111,635,423.04 : x
  2. Step 2: Convert to fraction form
    20,376,377,145.17/30,578,527,181.81 = 7,111,635,423.04/x
  3. Step 3: Cross multiply
    20,376,377,145.17x = 30,578,527,181.81 × 7,111,635,423.04
  4. Step 4: Simplify right side
    20,376,377,145.17x = 217,463,337,090,384,461,824
  5. Step 5: Solve for x
    x = 217,463,337,090,384,461,824/20,376,377,145.17
  6. Step 6: Final answer
    x = 10,672,325,877.22

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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.