Home / 355,588,403.60-533,382,605.40-209,872,384.40

Finding the Fourth Proportional to 355,588,403.60, 533,382,605.40 and 209,872,384.40

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Solution

The fourth proportional to 355,588,403.60, 533,382,605.40 and 209,872,384.40 is: 314,808,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,588,403.60 : 533,382,605.40 = 209,872,384.40 : x
  2. Step 2: Convert to fraction form
    355,588,403.60/533,382,605.40 = 209,872,384.40/x
  3. Step 3: Cross multiply
    355,588,403.60x = 533,382,605.40 × 209,872,384.40
  4. Step 4: Simplify right side
    355,588,403.60x = 111,942,279,192,782,320
  5. Step 5: Solve for x
    x = 111,942,279,192,782,320/355,588,403.60
  6. Step 6: Final answer
    x = 314,808,576.60

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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.