Home / 355,288,239.30-533,828,154.15-225,957,807.30

Finding the Fourth Proportional to 355,288,239.30, 533,828,154.15 and 225,957,807.30

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Solution

The fourth proportional to 355,288,239.30, 533,828,154.15 and 225,957,807.30 is: 339,506,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,288,239.30 : 533,828,154.15 = 225,957,807.30 : x
  2. Step 2: Convert to fraction form
    355,288,239.30/533,828,154.15 = 225,957,807.30/x
  3. Step 3: Cross multiply
    355,288,239.30x = 533,828,154.15 × 225,957,807.30
  4. Step 4: Simplify right side
    355,288,239.30x = 120,622,639,186,740,400
  5. Step 5: Solve for x
    x = 120,622,639,186,740,400/355,288,239.30
  6. Step 6: Final answer
    x = 339,506,422.80

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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.