Home / 1,586,504,838.72-2,378,160,861.48-654,507,440.40

Finding the Fourth Proportional to 1,586,504,838.72, 2,378,160,861.48 and 654,507,440.40

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Solution

The fourth proportional to 1,586,504,838.72, 2,378,160,861.48 and 654,507,440.40 is: 981,102,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,504,838.72 : 2,378,160,861.48 = 654,507,440.40 : x
  2. Step 2: Convert to fraction form
    1,586,504,838.72/2,378,160,861.48 = 654,507,440.40/x
  3. Step 3: Cross multiply
    1,586,504,838.72x = 2,378,160,861.48 × 654,507,440.40
  4. Step 4: Simplify right side
    1,586,504,838.72x = 1,556,523,978,306,733,824
  5. Step 5: Solve for x
    x = 1,556,523,978,306,733,824/1,586,504,838.72
  6. Step 6: Final answer
    x = 981,102,572.35

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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.