Home / 1,067,121,061.82-1,600,762,321.59-330,265,493.50

Finding the Fourth Proportional to 1,067,121,061.82, 1,600,762,321.59 and 330,265,493.50

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Solution

The fourth proportional to 1,067,121,061.82, 1,600,762,321.59 and 330,265,493.50 is: 495,423,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,121,061.82 : 1,600,762,321.59 = 330,265,493.50 : x
  2. Step 2: Convert to fraction form
    1,067,121,061.82/1,600,762,321.59 = 330,265,493.50/x
  3. Step 3: Cross multiply
    1,067,121,061.82x = 1,600,762,321.59 × 330,265,493.50
  4. Step 4: Simplify right side
    1,067,121,061.82x = 528,676,558,116,127,040
  5. Step 5: Solve for x
    x = 528,676,558,116,127,040/1,067,121,061.82
  6. Step 6: Final answer
    x = 495,423,225.19

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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.