Home / 19,211,313,852.29-28,825,253,384.84-7,428,727,830.53

Finding the Fourth Proportional to 19,211,313,852.29, 28,825,253,384.84 and 7,428,727,830.53

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Solution

The fourth proportional to 19,211,313,852.29, 28,825,253,384.84 and 7,428,727,830.53 is: 11,146,294,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,313,852.29 : 28,825,253,384.84 = 7,428,727,830.53 : x
  2. Step 2: Convert to fraction form
    19,211,313,852.29/28,825,253,384.84 = 7,428,727,830.53/x
  3. Step 3: Cross multiply
    19,211,313,852.29x = 28,825,253,384.84 × 7,428,727,830.53
  4. Step 4: Simplify right side
    19,211,313,852.29x = 214,134,962,042,097,205,248
  5. Step 5: Solve for x
    x = 214,134,962,042,097,205,248/19,211,313,852.29
  6. Step 6: Final answer
    x = 11,146,294,505.86

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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.