Home / 470,071,458.77-648,014,929.87-328,503,154.33

Finding the Fourth Proportional to 470,071,458.77, 648,014,929.87 and 328,503,154.33

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Solution

The fourth proportional to 470,071,458.77, 648,014,929.87 and 328,503,154.33 is: 452,856,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,071,458.77 : 648,014,929.87 = 328,503,154.33 : x
  2. Step 2: Convert to fraction form
    470,071,458.77/648,014,929.87 = 328,503,154.33/x
  3. Step 3: Cross multiply
    470,071,458.77x = 648,014,929.87 × 328,503,154.33
  4. Step 4: Simplify right side
    470,071,458.77x = 212,874,948,510,346,144
  5. Step 5: Solve for x
    x = 212,874,948,510,346,144/470,071,458.77
  6. Step 6: Final answer
    x = 452,856,570.08

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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.