Home / 470,071,459.27-648,014,930.56-328,503,154.83

Finding the Fourth Proportional to 470,071,459.27, 648,014,930.56 and 328,503,154.83

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Solution

The fourth proportional to 470,071,459.27, 648,014,930.56 and 328,503,154.83 is: 452,856,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,071,459.27 : 648,014,930.56 = 328,503,154.83 : x
  2. Step 2: Convert to fraction form
    470,071,459.27/648,014,930.56 = 328,503,154.83/x
  3. Step 3: Cross multiply
    470,071,459.27x = 648,014,930.56 × 328,503,154.83
  4. Step 4: Simplify right side
    470,071,459.27x = 212,874,949,065,903,360
  5. Step 5: Solve for x
    x = 212,874,949,065,903,360/470,071,459.27
  6. Step 6: Final answer
    x = 452,856,570.78

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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.