Home / 1,605,724,903.51-2,408,703,441.36-672,108,785.49

Finding the Fourth Proportional to 1,605,724,903.51, 2,408,703,441.36 and 672,108,785.49

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Solution

The fourth proportional to 1,605,724,903.51, 2,408,703,441.36 and 672,108,785.49 is: 1,008,211,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,724,903.51 : 2,408,703,441.36 = 672,108,785.49 : x
  2. Step 2: Convert to fraction form
    1,605,724,903.51/2,408,703,441.36 = 672,108,785.49/x
  3. Step 3: Cross multiply
    1,605,724,903.51x = 2,408,703,441.36 × 672,108,785.49
  4. Step 4: Simplify right side
    1,605,724,903.51x = 1,618,910,744,584,531,712
  5. Step 5: Solve for x
    x = 1,618,910,744,584,531,712/1,605,724,903.51
  6. Step 6: Final answer
    x = 1,008,211,768.43

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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.