Home / 1,016,964,546.88-1,525,460,992.16-289,953,258.88

Finding the Fourth Proportional to 1,016,964,546.88, 1,525,460,992.16 and 289,953,258.88

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Solution

The fourth proportional to 1,016,964,546.88, 1,525,460,992.16 and 289,953,258.88 is: 434,933,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,964,546.88 : 1,525,460,992.16 = 289,953,258.88 : x
  2. Step 2: Convert to fraction form
    1,016,964,546.88/1,525,460,992.16 = 289,953,258.88/x
  3. Step 3: Cross multiply
    1,016,964,546.88x = 1,525,460,992.16 × 289,953,258.88
  4. Step 4: Simplify right side
    1,016,964,546.88x = 442,312,385,971,110,144
  5. Step 5: Solve for x
    x = 442,312,385,971,110,144/1,016,964,546.88
  6. Step 6: Final answer
    x = 434,933,928.94

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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.