Home / 684,323,430.93-944,384,903.79-387,010,133.07

Finding the Fourth Proportional to 684,323,430.93, 944,384,903.79 and 387,010,133.07

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Solution

The fourth proportional to 684,323,430.93, 944,384,903.79 and 387,010,133.07 is: 534,084,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,323,430.93 : 944,384,903.79 = 387,010,133.07 : x
  2. Step 2: Convert to fraction form
    684,323,430.93/944,384,903.79 = 387,010,133.07/x
  3. Step 3: Cross multiply
    684,323,430.93x = 944,384,903.79 × 387,010,133.07
  4. Step 4: Simplify right side
    684,323,430.93x = 365,486,527,285,067,008
  5. Step 5: Solve for x
    x = 365,486,527,285,067,008/684,323,430.93
  6. Step 6: Final answer
    x = 534,084,485.15

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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.