Home / 907,362,811.32-1,361,286,424.81-325,155,909.79

Finding the Fourth Proportional to 907,362,811.32, 1,361,286,424.81 and 325,155,909.79

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Solution

The fourth proportional to 907,362,811.32, 1,361,286,424.81 and 325,155,909.79 is: 487,820,660.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,362,811.32 : 1,361,286,424.81 = 325,155,909.79 : x
  2. Step 2: Convert to fraction form
    907,362,811.32/1,361,286,424.81 = 325,155,909.79/x
  3. Step 3: Cross multiply
    907,362,811.32x = 1,361,286,424.81 × 325,155,909.79
  4. Step 4: Simplify right side
    907,362,811.32x = 442,630,325,945,950,080
  5. Step 5: Solve for x
    x = 442,630,325,945,950,080/907,362,811.32
  6. Step 6: Final answer
    x = 487,820,660.52

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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.