Home / 384,040,330.80-529,977,271.62-207,828,334.44

Finding the Fourth Proportional to 384,040,330.80, 529,977,271.62 and 207,828,334.44

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Solution

The fourth proportional to 384,040,330.80, 529,977,271.62 and 207,828,334.44 is: 286,803,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,040,330.80 : 529,977,271.62 = 207,828,334.44 : x
  2. Step 2: Convert to fraction form
    384,040,330.80/529,977,271.62 = 207,828,334.44/x
  3. Step 3: Cross multiply
    384,040,330.80x = 529,977,271.62 × 207,828,334.44
  4. Step 4: Simplify right side
    384,040,330.80x = 110,144,293,651,840,080
  5. Step 5: Solve for x
    x = 110,144,293,651,840,080/384,040,330.80
  6. Step 6: Final answer
    x = 286,803,975.57

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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.