Home / 384,007,688.28-529,932,014.42-207,795,685.05

Finding the Fourth Proportional to 384,007,688.28, 529,932,014.42 and 207,795,685.05

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Solution

The fourth proportional to 384,007,688.28, 529,932,014.42 and 207,795,685.05 is: 286,758,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,007,688.28 : 529,932,014.42 = 207,795,685.05 : x
  2. Step 2: Convert to fraction form
    384,007,688.28/529,932,014.42 = 207,795,685.05/x
  3. Step 3: Cross multiply
    384,007,688.28x = 529,932,014.42 × 207,795,685.05
  4. Step 4: Simplify right side
    384,007,688.28x = 110,117,585,965,291,408
  5. Step 5: Solve for x
    x = 110,117,585,965,291,408/384,007,688.28
  6. Step 6: Final answer
    x = 286,758,805.43

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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.