Home / 355,288,100.80-533,827,946.40-225,957,668.80

Finding the Fourth Proportional to 355,288,100.80, 533,827,946.40 and 225,957,668.80

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Solution

The fourth proportional to 355,288,100.80, 533,827,946.40 and 225,957,668.80 is: 339,506,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,288,100.80 : 533,827,946.40 = 225,957,668.80 : x
  2. Step 2: Convert to fraction form
    355,288,100.80/533,827,946.40 = 225,957,668.80/x
  3. Step 3: Cross multiply
    355,288,100.80x = 533,827,946.40 × 225,957,668.80
  4. Step 4: Simplify right side
    355,288,100.80x = 120,622,518,308,835,360
  5. Step 5: Solve for x
    x = 120,622,518,308,835,360/355,288,100.80
  6. Step 6: Final answer
    x = 339,506,214.92

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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.