Home / 519,159,321.08-716,439,898.04-284,209,981.56

Finding the Fourth Proportional to 519,159,321.08, 716,439,898.04 and 284,209,981.56

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Solution

The fourth proportional to 519,159,321.08, 716,439,898.04 and 284,209,981.56 is: 392,209,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,159,321.08 : 716,439,898.04 = 284,209,981.56 : x
  2. Step 2: Convert to fraction form
    519,159,321.08/716,439,898.04 = 284,209,981.56/x
  3. Step 3: Cross multiply
    519,159,321.08x = 716,439,898.04 × 284,209,981.56
  4. Step 4: Simplify right side
    519,159,321.08x = 203,619,370,209,375,616
  5. Step 5: Solve for x
    x = 203,619,370,209,375,616/519,159,321.08
  6. Step 6: Final answer
    x = 392,209,793.68

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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.