Home / 7,897,826,009.80-11,846,739,014.70-2,655,691,985.80

Finding the Fourth Proportional to 7,897,826,009.80, 11,846,739,014.70 and 2,655,691,985.80

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Solution

The fourth proportional to 7,897,826,009.80, 11,846,739,014.70 and 2,655,691,985.80 is: 3,983,537,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897,826,009.80 : 11,846,739,014.70 = 2,655,691,985.80 : x
  2. Step 2: Convert to fraction form
    7,897,826,009.80/11,846,739,014.70 = 2,655,691,985.80/x
  3. Step 3: Cross multiply
    7,897,826,009.80x = 11,846,739,014.70 × 2,655,691,985.80
  4. Step 4: Simplify right side
    7,897,826,009.80x = 31,461,289,859,202,981,888
  5. Step 5: Solve for x
    x = 31,461,289,859,202,981,888/7,897,826,009.80
  6. Step 6: Final answer
    x = 3,983,537,978.70

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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.