Home / 1,605,724,657.31-2,408,703,072.59-672,108,539.31

Finding the Fourth Proportional to 1,605,724,657.31, 2,408,703,072.59 and 672,108,539.31

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Solution

The fourth proportional to 1,605,724,657.31, 2,408,703,072.59 and 672,108,539.31 is: 1,008,211,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,724,657.31 : 2,408,703,072.59 = 672,108,539.31 : x
  2. Step 2: Convert to fraction form
    1,605,724,657.31/2,408,703,072.59 = 672,108,539.31/x
  3. Step 3: Cross multiply
    1,605,724,657.31x = 2,408,703,072.59 × 672,108,539.31
  4. Step 4: Simplify right side
    1,605,724,657.31x = 1,618,909,903,751,654,144
  5. Step 5: Solve for x
    x = 1,618,909,903,751,654,144/1,605,724,657.31
  6. Step 6: Final answer
    x = 1,008,211,399.37

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1.5x scale

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.