Home / 504,423,720.72-696,105,033.12-281,405,403.36

Finding the Fourth Proportional to 504,423,720.72, 696,105,033.12 and 281,405,403.36

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Solution

The fourth proportional to 504,423,720.72, 696,105,033.12 and 281,405,403.36 is: 388,339,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,423,720.72 : 696,105,033.12 = 281,405,403.36 : x
  2. Step 2: Convert to fraction form
    504,423,720.72/696,105,033.12 = 281,405,403.36/x
  3. Step 3: Cross multiply
    504,423,720.72x = 696,105,033.12 × 281,405,403.36
  4. Step 4: Simplify right side
    504,423,720.72x = 195,887,717,626,059,776
  5. Step 5: Solve for x
    x = 195,887,717,626,059,776/504,423,720.72
  6. Step 6: Final answer
    x = 388,339,623.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.