Home / 19,979,205,722.75-29,959,001,990.66-9,883,253,838.67

Finding the Fourth Proportional to 19,979,205,722.75, 29,959,001,990.66 and 9,883,253,838.67

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Solution

The fourth proportional to 19,979,205,722.75, 29,959,001,990.66 and 9,883,253,838.67 is: 14,820,029,661.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979,205,722.75 : 29,959,001,990.66 = 9,883,253,838.67 : x
  2. Step 2: Convert to fraction form
    19,979,205,722.75/29,959,001,990.66 = 9,883,253,838.67/x
  3. Step 3: Cross multiply
    19,979,205,722.75x = 29,959,001,990.66 × 9,883,253,838.67
  4. Step 4: Simplify right side
    19,979,205,722.75x = 296,092,421,426,867,339,264
  5. Step 5: Solve for x
    x = 296,092,421,426,867,339,264/19,979,205,722.75
  6. Step 6: Final answer
    x = 14,820,029,661.62

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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.