Home / 312,074,785-430,499,926.98-192,959,300.50

Finding the Fourth Proportional to 312,074,785, 430,499,926.98 and 192,959,300.50

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Solution

The fourth proportional to 312,074,785, 430,499,926.98 and 192,959,300.50 is: 266,182,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,074,785 : 430,499,926.98 = 192,959,300.50 : x
  2. Step 2: Convert to fraction form
    312,074,785/430,499,926.98 = 192,959,300.50/x
  3. Step 3: Cross multiply
    312,074,785x = 430,499,926.98 × 192,959,300.50
  4. Step 4: Simplify right side
    312,074,785x = 83,068,964,775,361,888
  5. Step 5: Solve for x
    x = 83,068,964,775,361,888/312,074,785
  6. Step 6: Final answer
    x = 266,182,879.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.