Home / 384,277,994.28-530,303,882.40-208,066,109.10

Finding the Fourth Proportional to 384,277,994.28, 530,303,882.40 and 208,066,109.10

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Solution

The fourth proportional to 384,277,994.28, 530,303,882.40 and 208,066,109.10 is: 287,131,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,277,994.28 : 530,303,882.40 = 208,066,109.10 : x
  2. Step 2: Convert to fraction form
    384,277,994.28/530,303,882.40 = 208,066,109.10/x
  3. Step 3: Cross multiply
    384,277,994.28x = 530,303,882.40 × 208,066,109.10
  4. Step 4: Simplify right side
    384,277,994.28x = 110,338,265,451,591,968
  5. Step 5: Solve for x
    x = 110,338,265,451,591,968/384,277,994.28
  6. Step 6: Final answer
    x = 287,131,366.08

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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.