Home / 1,016,954,776.32-1,525,446,337.92-289,943,489.28

Finding the Fourth Proportional to 1,016,954,776.32, 1,525,446,337.92 and 289,943,489.28

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Solution

The fourth proportional to 1,016,954,776.32, 1,525,446,337.92 and 289,943,489.28 is: 434,919,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,954,776.32 : 1,525,446,337.92 = 289,943,489.28 : x
  2. Step 2: Convert to fraction form
    1,016,954,776.32/1,525,446,337.92 = 289,943,489.28/x
  3. Step 3: Cross multiply
    1,016,954,776.32x = 1,525,446,337.92 × 289,943,489.28
  4. Step 4: Simplify right side
    1,016,954,776.32x = 442,293,233,925,922,752
  5. Step 5: Solve for x
    x = 442,293,233,925,922,752/1,016,954,776.32
  6. Step 6: Final answer
    x = 434,919,274.90

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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.