Home / 765,261,737.55-1,147,892,606.33-612,206,729.55

Finding the Fourth Proportional to 765,261,737.55, 1,147,892,606.33 and 612,206,729.55

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Solution

The fourth proportional to 765,261,737.55, 1,147,892,606.33 and 612,206,729.55 is: 918,310,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,261,737.55 : 1,147,892,606.33 = 612,206,729.55 : x
  2. Step 2: Convert to fraction form
    765,261,737.55/1,147,892,606.33 = 612,206,729.55/x
  3. Step 3: Cross multiply
    765,261,737.55x = 1,147,892,606.33 × 612,206,729.55
  4. Step 4: Simplify right side
    765,261,737.55x = 702,747,578,392,853,888
  5. Step 5: Solve for x
    x = 702,747,578,392,853,888/765,261,737.55
  6. Step 6: Final answer
    x = 918,310,094.33

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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.