Home / 511,163,717.40-765,172,973.55-333,518,345.19

Finding the Fourth Proportional to 511,163,717.40, 765,172,973.55 and 333,518,345.19

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Solution

The fourth proportional to 511,163,717.40, 765,172,973.55 and 333,518,345.19 is: 499,251,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,163,717.40 : 765,172,973.55 = 333,518,345.19 : x
  2. Step 2: Convert to fraction form
    511,163,717.40/765,172,973.55 = 333,518,345.19/x
  3. Step 3: Cross multiply
    511,163,717.40x = 765,172,973.55 × 333,518,345.19
  4. Step 4: Simplify right side
    511,163,717.40x = 255,199,223,922,507,616
  5. Step 5: Solve for x
    x = 255,199,223,922,507,616/511,163,717.40
  6. Step 6: Final answer
    x = 499,251,443.79

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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.