Home / 1,965,745,422.36-2,949,032,249.46-637,669,762.25

Finding the Fourth Proportional to 1,965,745,422.36, 2,949,032,249.46 and 637,669,762.25

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Solution

The fourth proportional to 1,965,745,422.36, 2,949,032,249.46 and 637,669,762.25 is: 956,638,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,745,422.36 : 2,949,032,249.46 = 637,669,762.25 : x
  2. Step 2: Convert to fraction form
    1,965,745,422.36/2,949,032,249.46 = 637,669,762.25/x
  3. Step 3: Cross multiply
    1,965,745,422.36x = 2,949,032,249.46 × 637,669,762.25
  4. Step 4: Simplify right side
    1,965,745,422.36x = 1,880,508,693,365,995,776
  5. Step 5: Solve for x
    x = 1,880,508,693,365,995,776/1,965,745,422.36
  6. Step 6: Final answer
    x = 956,638,978.77

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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.