Home / 684,323,454.96-944,384,936.91-387,010,157.10

Finding the Fourth Proportional to 684,323,454.96, 944,384,936.91 and 387,010,157.10

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Solution

The fourth proportional to 684,323,454.96, 944,384,936.91 and 387,010,157.10 is: 534,084,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,323,454.96 : 944,384,936.91 = 387,010,157.10 : x
  2. Step 2: Convert to fraction form
    684,323,454.96/944,384,936.91 = 387,010,157.10/x
  3. Step 3: Cross multiply
    684,323,454.96x = 944,384,936.91 × 387,010,157.10
  4. Step 4: Simplify right side
    684,323,454.96x = 365,486,562,796,412,672
  5. Step 5: Solve for x
    x = 365,486,562,796,412,672/684,323,454.96
  6. Step 6: Final answer
    x = 534,084,518.29

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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.