Home / 985,400,855.74-1,477,912,909.92-295,308,109.72

Finding the Fourth Proportional to 985,400,855.74, 1,477,912,909.92 and 295,308,109.72

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Solution

The fourth proportional to 985,400,855.74, 1,477,912,909.92 and 295,308,109.72 is: 442,905,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,400,855.74 : 1,477,912,909.92 = 295,308,109.72 : x
  2. Step 2: Convert to fraction form
    985,400,855.74/1,477,912,909.92 = 295,308,109.72/x
  3. Step 3: Cross multiply
    985,400,855.74x = 1,477,912,909.92 × 295,308,109.72
  4. Step 4: Simplify right side
    985,400,855.74x = 436,439,667,759,259,904
  5. Step 5: Solve for x
    x = 436,439,667,759,259,904/985,400,855.74
  6. Step 6: Final answer
    x = 442,905,712.14

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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.