Home / 384,038,849.52-529,974,931.32-207,826,797.96

Finding the Fourth Proportional to 384,038,849.52, 529,974,931.32 and 207,826,797.96

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Solution

The fourth proportional to 384,038,849.52, 529,974,931.32 and 207,826,797.96 is: 286,801,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,038,849.52 : 529,974,931.32 = 207,826,797.96 : x
  2. Step 2: Convert to fraction form
    384,038,849.52/529,974,931.32 = 207,826,797.96/x
  3. Step 3: Cross multiply
    384,038,849.52x = 529,974,931.32 × 207,826,797.96
  4. Step 4: Simplify right side
    384,038,849.52x = 110,142,992,975,306,512
  5. Step 5: Solve for x
    x = 110,142,992,975,306,512/384,038,849.52
  6. Step 6: Final answer
    x = 286,801,694.97

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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.