Home / 441,692,007.90-609,499,129.77-256,064,980.92

Finding the Fourth Proportional to 441,692,007.90, 609,499,129.77 and 256,064,980.92

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Solution

The fourth proportional to 441,692,007.90, 609,499,129.77 and 256,064,980.92 is: 353,348,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,692,007.90 : 609,499,129.77 = 256,064,980.92 : x
  2. Step 2: Convert to fraction form
    441,692,007.90/609,499,129.77 = 256,064,980.92/x
  3. Step 3: Cross multiply
    441,692,007.90x = 609,499,129.77 × 256,064,980.92
  4. Step 4: Simplify right side
    441,692,007.90x = 156,071,383,035,311,648
  5. Step 5: Solve for x
    x = 156,071,383,035,311,648/441,692,007.90
  6. Step 6: Final answer
    x = 353,348,895.26

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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.