Home / 528,027,239.20-792,040,858.80-384,700,007.20

Finding the Fourth Proportional to 528,027,239.20, 792,040,858.80 and 384,700,007.20

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Solution

The fourth proportional to 528,027,239.20, 792,040,858.80 and 384,700,007.20 is: 577,050,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,027,239.20 : 792,040,858.80 = 384,700,007.20 : x
  2. Step 2: Convert to fraction form
    528,027,239.20/792,040,858.80 = 384,700,007.20/x
  3. Step 3: Cross multiply
    528,027,239.20x = 792,040,858.80 × 384,700,007.20
  4. Step 4: Simplify right side
    528,027,239.20x = 304,698,124,083,054,144
  5. Step 5: Solve for x
    x = 304,698,124,083,054,144/528,027,239.20
  6. Step 6: Final answer
    x = 577,050,010.80

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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.