Home / 526,564,897.29-726,309,667.49-338,630,796.81

Finding the Fourth Proportional to 526,564,897.29, 726,309,667.49 and 338,630,796.81

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Solution

The fourth proportional to 526,564,897.29, 726,309,667.49 and 338,630,796.81 is: 467,085,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,564,897.29 : 726,309,667.49 = 338,630,796.81 : x
  2. Step 2: Convert to fraction form
    526,564,897.29/726,309,667.49 = 338,630,796.81/x
  3. Step 3: Cross multiply
    526,564,897.29x = 726,309,667.49 × 338,630,796.81
  4. Step 4: Simplify right side
    526,564,897.29x = 245,950,821,431,251,712
  5. Step 5: Solve for x
    x = 245,950,821,431,251,712/526,564,897.29
  6. Step 6: Final answer
    x = 467,085,486.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.