Home / 1,687,830,566.48-2,530,764,489.33-638,649,819.34

Finding the Fourth Proportional to 1,687,830,566.48, 2,530,764,489.33 and 638,649,819.34

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Solution

The fourth proportional to 1,687,830,566.48, 2,530,764,489.33 and 638,649,819.34 is: 957,603,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,830,566.48 : 2,530,764,489.33 = 638,649,819.34 : x
  2. Step 2: Convert to fraction form
    1,687,830,566.48/2,530,764,489.33 = 638,649,819.34/x
  3. Step 3: Cross multiply
    1,687,830,566.48x = 2,530,764,489.33 × 638,649,819.34
  4. Step 4: Simplify right side
    1,687,830,566.48x = 1,616,272,283,904,744,960
  5. Step 5: Solve for x
    x = 1,616,272,283,904,744,960/1,687,830,566.48
  6. Step 6: Final answer
    x = 957,603,396.93

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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.