Home / 1,308,103,897.92-1,961,365,524.62-521,278,597.32

Finding the Fourth Proportional to 1,308,103,897.92, 1,961,365,524.62 and 521,278,597.32

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Solution

The fourth proportional to 1,308,103,897.92, 1,961,365,524.62 and 521,278,597.32 is: 781,602,953.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,103,897.92 : 1,961,365,524.62 = 521,278,597.32 : x
  2. Step 2: Convert to fraction form
    1,308,103,897.92/1,961,365,524.62 = 521,278,597.32/x
  3. Step 3: Cross multiply
    1,308,103,897.92x = 1,961,365,524.62 × 521,278,597.32
  4. Step 4: Simplify right side
    1,308,103,897.92x = 1,022,417,869,503,113,088
  5. Step 5: Solve for x
    x = 1,022,417,869,503,113,088/1,308,103,897.92
  6. Step 6: Final answer
    x = 781,602,953.04

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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.