Home / 380,544,548,202.52-525,161,429,466.06-206,939,841,125.92

Finding the Fourth Proportional to 380,544,548,202.52, 525,161,429,466.06 and 206,939,841,125.92

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Solution

The fourth proportional to 380,544,548,202.52, 525,161,429,466.06 and 206,939,841,125.92 is: 285,582,393,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,544,548,202.52 : 525,161,429,466.06 = 206,939,841,125.92 : x
  2. Step 2: Convert to fraction form
    380,544,548,202.52/525,161,429,466.06 = 206,939,841,125.92/x
  3. Step 3: Cross multiply
    380,544,548,202.52x = 525,161,429,466.06 × 206,939,841,125.92
  4. Step 4: Simplify right side
    380,544,548,202.52x = 108,676,822,779,167,500,140,544
  5. Step 5: Solve for x
    x = 108,676,822,779,167,500,140,544/380,544,548,202.52
  6. Step 6: Final answer
    x = 285,582,393,158.69

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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.