Home / 350,524,654.47-481,190,990.13-300,878,838.72

Finding the Fourth Proportional to 350,524,654.47, 481,190,990.13 and 300,878,838.72

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Solution

The fourth proportional to 350,524,654.47, 481,190,990.13 and 300,878,838.72 is: 413,038,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,524,654.47 : 481,190,990.13 = 300,878,838.72 : x
  2. Step 2: Convert to fraction form
    350,524,654.47/481,190,990.13 = 300,878,838.72/x
  3. Step 3: Cross multiply
    350,524,654.47x = 481,190,990.13 × 300,878,838.72
  4. Step 4: Simplify right side
    350,524,654.47x = 144,780,186,312,841,408
  5. Step 5: Solve for x
    x = 144,780,186,312,841,408/350,524,654.47
  6. Step 6: Final answer
    x = 413,038,525.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.