Home / 1,965,745,575.50-2,949,032,479.06-637,669,915.30

Finding the Fourth Proportional to 1,965,745,575.50, 2,949,032,479.06 and 637,669,915.30

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Solution

The fourth proportional to 1,965,745,575.50, 2,949,032,479.06 and 637,669,915.30 is: 956,639,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,745,575.50 : 2,949,032,479.06 = 637,669,915.30 : x
  2. Step 2: Convert to fraction form
    1,965,745,575.50/2,949,032,479.06 = 637,669,915.30/x
  3. Step 3: Cross multiply
    1,965,745,575.50x = 2,949,032,479.06 × 637,669,915.30
  4. Step 4: Simplify right side
    1,965,745,575.50x = 1,880,509,291,139,139,072
  5. Step 5: Solve for x
    x = 1,880,509,291,139,139,072/1,965,745,575.50
  6. Step 6: Final answer
    x = 956,639,208.34

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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.