Home / 826,591,830.60-1,239,889,451.76-776,083,677.96

Finding the Fourth Proportional to 826,591,830.60, 1,239,889,451.76 and 776,083,677.96

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Solution

The fourth proportional to 826,591,830.60, 1,239,889,451.76 and 776,083,677.96 is: 1,164,127,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,591,830.60 : 1,239,889,451.76 = 776,083,677.96 : x
  2. Step 2: Convert to fraction form
    826,591,830.60/1,239,889,451.76 = 776,083,677.96/x
  3. Step 3: Cross multiply
    826,591,830.60x = 1,239,889,451.76 × 776,083,677.96
  4. Step 4: Simplify right side
    826,591,830.60x = 962,257,965,985,708,800
  5. Step 5: Solve for x
    x = 962,257,965,985,708,800/826,591,830.60
  6. Step 6: Final answer
    x = 1,164,127,118.56

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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.