Home / 1,965,745,575-2,949,032,478.32-637,669,914.80

Finding the Fourth Proportional to 1,965,745,575, 2,949,032,478.32 and 637,669,914.80

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Solution

The fourth proportional to 1,965,745,575, 2,949,032,478.32 and 637,669,914.80 is: 956,639,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,745,575 : 2,949,032,478.32 = 637,669,914.80 : x
  2. Step 2: Convert to fraction form
    1,965,745,575/2,949,032,478.32 = 637,669,914.80/x
  3. Step 3: Cross multiply
    1,965,745,575x = 2,949,032,478.32 × 637,669,914.80
  4. Step 4: Simplify right side
    1,965,745,575x = 1,880,509,289,174,813,696
  5. Step 5: Solve for x
    x = 1,880,509,289,174,813,696/1,965,745,575
  6. Step 6: Final answer
    x = 956,639,207.58

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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.