Home / 20,376,377,333.48-30,578,527,463.91-7,111,635,611.37

Finding the Fourth Proportional to 20,376,377,333.48, 30,578,527,463.91 and 7,111,635,611.37

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Solution

The fourth proportional to 20,376,377,333.48, 30,578,527,463.91 and 7,111,635,611.37 is: 10,672,326,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376,377,333.48 : 30,578,527,463.91 = 7,111,635,611.37 : x
  2. Step 2: Convert to fraction form
    20,376,377,333.48/30,578,527,463.91 = 7,111,635,611.37/x
  3. Step 3: Cross multiply
    20,376,377,333.48x = 30,578,527,463.91 × 7,111,635,611.37
  4. Step 4: Simplify right side
    20,376,377,333.48x = 217,463,344,855,562,354,688
  5. Step 5: Solve for x
    x = 217,463,344,855,562,354,688/20,376,377,333.48
  6. Step 6: Final answer
    x = 10,672,326,159.68

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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.