Home / 384,277,987.13-530,303,872.55-208,066,101.96

Finding the Fourth Proportional to 384,277,987.13, 530,303,872.55 and 208,066,101.96

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Solution

The fourth proportional to 384,277,987.13, 530,303,872.55 and 208,066,101.96 is: 287,131,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,277,987.13 : 530,303,872.55 = 208,066,101.96 : x
  2. Step 2: Convert to fraction form
    384,277,987.13/530,303,872.55 = 208,066,101.96/x
  3. Step 3: Cross multiply
    384,277,987.13x = 530,303,872.55 × 208,066,101.96
  4. Step 4: Simplify right side
    384,277,987.13x = 110,338,259,614,730,816
  5. Step 5: Solve for x
    x = 110,338,259,614,730,816/384,277,987.13
  6. Step 6: Final answer
    x = 287,131,356.23

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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.