Home / 745,298,745.83-1,028,470,298.70-410,770,254.65

Finding the Fourth Proportional to 745,298,745.83, 1,028,470,298.70 and 410,770,254.65

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Solution

The fourth proportional to 745,298,745.83, 1,028,470,298.70 and 410,770,254.65 is: 566,839,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,298,745.83 : 1,028,470,298.70 = 410,770,254.65 : x
  2. Step 2: Convert to fraction form
    745,298,745.83/1,028,470,298.70 = 410,770,254.65/x
  3. Step 3: Cross multiply
    745,298,745.83x = 1,028,470,298.70 × 410,770,254.65
  4. Step 4: Simplify right side
    745,298,745.83x = 422,465,006,499,531,712
  5. Step 5: Solve for x
    x = 422,465,006,499,531,712/745,298,745.83
  6. Step 6: Final answer
    x = 566,839,819.42

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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.