Home / 328,965,510.60-493,448,265.90-264,395,429.10

Finding the Fourth Proportional to 328,965,510.60, 493,448,265.90 and 264,395,429.10

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Solution

The fourth proportional to 328,965,510.60, 493,448,265.90 and 264,395,429.10 is: 396,593,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,965,510.60 : 493,448,265.90 = 264,395,429.10 : x
  2. Step 2: Convert to fraction form
    328,965,510.60/493,448,265.90 = 264,395,429.10/x
  3. Step 3: Cross multiply
    328,965,510.60x = 493,448,265.90 × 264,395,429.10
  4. Step 4: Simplify right side
    328,965,510.60x = 130,465,466,001,281,392
  5. Step 5: Solve for x
    x = 130,465,466,001,281,392/328,965,510.60
  6. Step 6: Final answer
    x = 396,593,143.65

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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.