Home / 1,158,127,940.80-1,737,191,911.20-976,729,412.80

Finding the Fourth Proportional to 1,158,127,940.80, 1,737,191,911.20 and 976,729,412.80

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Solution

The fourth proportional to 1,158,127,940.80, 1,737,191,911.20 and 976,729,412.80 is: 1,465,094,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,127,940.80 : 1,737,191,911.20 = 976,729,412.80 : x
  2. Step 2: Convert to fraction form
    1,158,127,940.80/1,737,191,911.20 = 976,729,412.80/x
  3. Step 3: Cross multiply
    1,158,127,940.80x = 1,737,191,911.20 × 976,729,412.80
  4. Step 4: Simplify right side
    1,158,127,940.80x = 1,696,766,435,347,285,760
  5. Step 5: Solve for x
    x = 1,696,766,435,347,285,760/1,158,127,940.80
  6. Step 6: Final answer
    x = 1,465,094,119.20

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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.