Home / 1,440,508,913.18-1,987,293,583.96-964,352,691.93

Finding the Fourth Proportional to 1,440,508,913.18, 1,987,293,583.96 and 964,352,691.93

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Solution

The fourth proportional to 1,440,508,913.18, 1,987,293,583.96 and 964,352,691.93 is: 1,330,399,208.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,508,913.18 : 1,987,293,583.96 = 964,352,691.93 : x
  2. Step 2: Convert to fraction form
    1,440,508,913.18/1,987,293,583.96 = 964,352,691.93/x
  3. Step 3: Cross multiply
    1,440,508,913.18x = 1,987,293,583.96 × 964,352,691.93
  4. Step 4: Simplify right side
    1,440,508,913.18x = 1,916,451,917,337,180,160
  5. Step 5: Solve for x
    x = 1,916,451,917,337,180,160/1,440,508,913.18
  6. Step 6: Final answer
    x = 1,330,399,208.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.