Home / 521,461,009,464.65-782,280,626,665.50-214,983,253,178.95

Finding the Fourth Proportional to 521,461,009,464.65, 782,280,626,665.50 and 214,983,253,178.95

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Solution

The fourth proportional to 521,461,009,464.65, 782,280,626,665.50 and 214,983,253,178.95 is: 322,511,618,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,461,009,464.65 : 782,280,626,665.50 = 214,983,253,178.95 : x
  2. Step 2: Convert to fraction form
    521,461,009,464.65/782,280,626,665.50 = 214,983,253,178.95/x
  3. Step 3: Cross multiply
    521,461,009,464.65x = 782,280,626,665.50 × 214,983,253,178.95
  4. Step 4: Simplify right side
    521,461,009,464.65x = 168,177,234,019,416,866,291,712
  5. Step 5: Solve for x
    x = 168,177,234,019,416,866,291,712/521,461,009,464.65
  6. Step 6: Final answer
    x = 322,511,618,255.17

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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.