Home / 628,470,534.80-867,255,238.32-346,158,053.12

Finding the Fourth Proportional to 628,470,534.80, 867,255,238.32 and 346,158,053.12

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Solution

The fourth proportional to 628,470,534.80, 867,255,238.32 and 346,158,053.12 is: 477,679,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,470,534.80 : 867,255,238.32 = 346,158,053.12 : x
  2. Step 2: Convert to fraction form
    628,470,534.80/867,255,238.32 = 346,158,053.12/x
  3. Step 3: Cross multiply
    628,470,534.80x = 867,255,238.32 × 346,158,053.12
  4. Step 4: Simplify right side
    628,470,534.80x = 300,207,384,854,972,864
  5. Step 5: Solve for x
    x = 300,207,384,854,972,864/628,470,534.80
  6. Step 6: Final answer
    x = 477,679,331.38

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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.