Home / 473,336,383.55-710,004,564.39-128,290,003.70

Finding the Fourth Proportional to 473,336,383.55, 710,004,564.39 and 128,290,003.70

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Solution

The fourth proportional to 473,336,383.55, 710,004,564.39 and 128,290,003.70 is: 192,435,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,336,383.55 : 710,004,564.39 = 128,290,003.70 : x
  2. Step 2: Convert to fraction form
    473,336,383.55/710,004,564.39 = 128,290,003.70/x
  3. Step 3: Cross multiply
    473,336,383.55x = 710,004,564.39 × 128,290,003.70
  4. Step 4: Simplify right side
    473,336,383.55x = 91,086,488,192,609,984
  5. Step 5: Solve for x
    x = 91,086,488,192,609,984/473,336,383.55
  6. Step 6: Final answer
    x = 192,435,002.59

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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.