Home / 1,253,073,212.88-1,729,139,813.64-724,471,270.32

Finding the Fourth Proportional to 1,253,073,212.88, 1,729,139,813.64 and 724,471,270.32

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Solution

The fourth proportional to 1,253,073,212.88, 1,729,139,813.64 and 724,471,270.32 is: 999,711,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,073,212.88 : 1,729,139,813.64 = 724,471,270.32 : x
  2. Step 2: Convert to fraction form
    1,253,073,212.88/1,729,139,813.64 = 724,471,270.32/x
  3. Step 3: Cross multiply
    1,253,073,212.88x = 1,729,139,813.64 × 724,471,270.32
  4. Step 4: Simplify right side
    1,253,073,212.88x = 1,252,712,117,348,658,944
  5. Step 5: Solve for x
    x = 1,252,712,117,348,658,944/1,253,073,212.88
  6. Step 6: Final answer
    x = 999,711,832.06

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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.