Home / 358,128,400.80-537,192,601.20-204,789,957.60

Finding the Fourth Proportional to 358,128,400.80, 537,192,601.20 and 204,789,957.60

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Solution

The fourth proportional to 358,128,400.80, 537,192,601.20 and 204,789,957.60 is: 307,184,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,128,400.80 : 537,192,601.20 = 204,789,957.60 : x
  2. Step 2: Convert to fraction form
    358,128,400.80/537,192,601.20 = 204,789,957.60/x
  3. Step 3: Cross multiply
    358,128,400.80x = 537,192,601.20 × 204,789,957.60
  4. Step 4: Simplify right side
    358,128,400.80x = 110,011,650,022,781,712
  5. Step 5: Solve for x
    x = 110,011,650,022,781,712/358,128,400.80
  6. Step 6: Final answer
    x = 307,184,936.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.