Home / 587,087,781.87-810,181,657.58-322,774,271.31

Finding the Fourth Proportional to 587,087,781.87, 810,181,657.58 and 322,774,271.31

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Solution

The fourth proportional to 587,087,781.87, 810,181,657.58 and 322,774,271.31 is: 445,428,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,087,781.87 : 810,181,657.58 = 322,774,271.31 : x
  2. Step 2: Convert to fraction form
    587,087,781.87/810,181,657.58 = 322,774,271.31/x
  3. Step 3: Cross multiply
    587,087,781.87x = 810,181,657.58 × 322,774,271.31
  4. Step 4: Simplify right side
    587,087,781.87x = 261,505,794,152,498,592
  5. Step 5: Solve for x
    x = 261,505,794,152,498,592/587,087,781.87
  6. Step 6: Final answer
    x = 445,428,779.53

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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.