Home / 812,416,623,176-1,218,958,977,693.90-358,896,172,211.68

Finding the Fourth Proportional to 812,416,623,176, 1,218,958,977,693.90 and 358,896,172,211.68

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Solution

The fourth proportional to 812,416,623,176, 1,218,958,977,693.90 and 358,896,172,211.68 is: 538,491,826,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,416,623,176 : 1,218,958,977,693.90 = 358,896,172,211.68 : x
  2. Step 2: Convert to fraction form
    812,416,623,176/1,218,958,977,693.90 = 358,896,172,211.68/x
  3. Step 3: Cross multiply
    812,416,623,176x = 1,218,958,977,693.90 × 358,896,172,211.68
  4. Step 4: Simplify right side
    812,416,623,176x = 437,479,711,177,403,313,160,192
  5. Step 5: Solve for x
    x = 437,479,711,177,403,313,160,192/812,416,623,176
  6. Step 6: Final answer
    x = 538,491,826,357.71

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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.