Home / 805,725,399.70-1,208,588,033.40-223,459,639.12

Finding the Fourth Proportional to 805,725,399.70, 1,208,588,033.40 and 223,459,639.12

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Solution

The fourth proportional to 805,725,399.70, 1,208,588,033.40 and 223,459,639.12 is: 335,189,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,725,399.70 : 1,208,588,033.40 = 223,459,639.12 : x
  2. Step 2: Convert to fraction form
    805,725,399.70/1,208,588,033.40 = 223,459,639.12/x
  3. Step 3: Cross multiply
    805,725,399.70x = 1,208,588,033.40 × 223,459,639.12
  4. Step 4: Simplify right side
    805,725,399.70x = 270,070,645,788,314,528
  5. Step 5: Solve for x
    x = 270,070,645,788,314,528/805,725,399.70
  6. Step 6: Final answer
    x = 335,189,440.33

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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.